Marine Holding Tanks
Custom Made, No Leaks
Put our exceptional collection of marine holding tanks to work for you! Made to be superior in strength, and to meet coastguard standards, these tanks out last the competition, Meticulously crafted using FDA-approved virgin polyethylene plastic resins, these tanks are engineered to provide the highest quality and are tailor-made for various marine applications such as black water holding, graywater storage, RV usage, ballast tanks, and more. They boast a flawless construction and a unified design that guarantees complete leak protection, fully complying with Coast Guard standards.
We take great pride in ensuring that these durable tanks are custom-built to match your specific dimensions and fitting requirements with precision. To guarantee a secure connection for your marine holding tank, we utilize spin-weld fittings.
In addition, we also offer Marine Fresh Water Tanks! Check out our Marine Water Tanks section for more details
Questions about our marine water tanks? We can help! Call our team at 1-863-261-8388 or fill out our quote request form to discuss your requirements.
Seamless Integration and Efficiency
One of the key features of these custom marine holding tanks is their remarkable strength and durability. Built with a one-piece roto-molded design, our tanks are exceptionally sturdy, preventing cracks and leaks. With female NPT openings, our tanks seamlessly integrate into your marine plumbing system, providing hassle-free installation. Fittings are spin-welded to ensure a secure and leak-free fit for your tank.
Why is a Seamless Tank Important?
A seamless tank holds significant advantages in terms of durability, leak resistance, hygiene, and ease of maintenance when compared to tanks with seams. Whether it's for RVs, boats, or other vessels, a seamless tank offers a more reliable and long-lasting solution for liquid storage water.
- Enhanced Durability: Seamless tanks, typically manufactured through roto-molding, eliminate the need for seams or joints. This design feature eliminates weak points where leaks or cracks could develop over time. As a result, the tank is more robust and less prone to structural failures.
- Leak Prevention: The absence of seams significantly reduces the risk of leaks. Traditional tanks with seams have the potential for seam deterioration or compromise, leading to leaks and water damage. A seamless tank removes this concern and provides added peace of mind.
- Improved Hygiene: Seams in tanks can create crevices or hard-to-reach areas where bacteria, mold, or other contaminants can accumulate. A seamless tank eliminates these potential breeding grounds for pathogens, making it easier to clean and maintain proper hygiene standards.
- Easy Cleaning and Maintenance: Without seams, a seamless tank offers a smooth and uniform interior surface. This facilitates effortless cleaning and maintenance since there are no crevices or corners where debris can accumulate. It allows for thorough cleaning and disinfection, ensuring the stored water remains clean and safe for use.
- Longevity: The absence of seams in a tank contributes to its overall longevity. With no weak points susceptible to deterioration or failure, a seamless tank is likely to have an extended service life. It can withstand environmental stresses and regular usage without the risk of structural degradation.
Streamlined Ordering Process
We understand that every situation is unique, which is why we offer the flexibility to design and fabricate a custom marine water tank that perfectly meets your specific needs. With no pre-drilled holes limiting your choices, you have the freedom to determine the placement of holes and fittings on your tank, ensuring an ideal fit for your space and preferences.
To initiate the ordering process, simply follow this straightforward step-by-step guide:
- Create an accurate tank drawing that represents the dimensions and desired features of your tank. Clearly specify the desired port locations on the drawing. You can submit your drawing via our contact form or email, and we will promptly respond to your inquiry.
- Our dedicated team will thoroughly review your drawing and contact you for further discussion. We will provide valuable feedback and suggestions to optimize your design for maximum functionality.
- We will work closely with you until you are completely satisfied with the final design. Once your design is approved, we will promptly process your order, ensuring a seamless experience from start to finish.
- For precise fulfillment of your requirements, it is highly recommended to provide detailed information regarding the sizes and locations of your tank components. If you have any uncertainties or require adjustments, our team is readily available to assist you throughout the process.
*Please note that mounting straps are not included with this tank, and it is not suitable for use with gasoline fuel storage. If you require a different type of tank, our team will gladly assist you in finding the perfect custom tank that precisely fits your specific needs.
Custom Marine Holding Tanks
Bottom Dump Waste Tanks
| Part No. | Capacity | Length | Width | Depth | Drawings |
| H-220 | 11 gallons | 64 | 6 | 8.25 | Drawing (pdf) |
| H-263 | 11 gallons | 74 | 5.75 | 8.75 | Drawing (pdf) |
| H-249 | 14 gallons | 31.5 | 17 | 8.75 | Drawing (pdf) |
| H-229 | 15 gallons | 37 | 16 | 7.5 | Drawing (pdf) |
| H-572 | 24 gallons | 73.75 | 11.5 | 9 | Drawing (pdf) |
| H-510 | 25 gallons | 46 | 15 | 9.5 | Ask for details |
| H-224 | 25 gallons | 75.75 | 8 | 13 | Drawing (pdf) |
| H-223 | 27 gallons | 76 | 16 | 13 | Drawing (pdf) |
| H-251 | 35 gallons | 52 | 24 | 8.5 | Drawing (pdf) |
| H-286 | 35 gallons | 76 | 11 | 12.75 | Drawing (pdf) |
| H-277 | 38 gallons | 28.25 | 23.25 | 14 | Drawing (pdf) |
| H-280 | 40 gallons | 27.5 | 23.5 | 14 | Drawing (pdf) |
| H-317 | 40 gallons | 79 | 11 | 13 | Drawing (pdf) |
| H-312 | 40 gallons | 90 | 33.5 | 12 | Drawing (pdf) |
| H-276 | 43 gallons | 84 | 11 | 13 | Drawing (pdf) |
| H-418 | 43 gallons | 85 | 17.5 | 9.75 | Drawing (pdf) |
| H-432 | 44 gallons | 65 | 15.25 | 12 | Drawing (pdf) |
| H-354 | 44 gallons | 78 | 12.5 | 13 | Drawing (pdf) |
| H-359 | 47 gallons | 68 | 27.25 | 7.5 | Drawing (pdf) |
| H-311 | 48 gallons | 80 | 20 | 12 | Drawing (pdf) |
| H-437 | 51 gallons | 85 | 17.5 | 11.25 | Drawing (pdf) |
| H-226 | 52 gallons | 84 | 13.25 | 13 | Drawing (pdf) |
| H-316 | 55 gallons | 79 | 15.5 | 13 | Drawing (pdf) |
| H-281 | 59 gallons | 42 | 27.25 | 13 | Drawing (pdf) |
| H-375 | 60 gallons | 79.75 | 16.25 | 13.25 | Drawing (pdf) |
| H-275 | 62 gallons | 84 | 15.5 | 13 | Drawing (pdf) |
| H-419 | 63 gallons | 85 | 24.75 | 9.75 | Drawing (pdf) |
| H-287 | 65 gallons | 76 | 20 | 12.75 | Drawing (pdf) |
| H-353 | 66 gallons | 78 | 18.5 | 13 | Drawing (pdf) |
| H-304 | 66 gallons | 85 | 21 | 11.75 | Drawing (pdf) |
| H-433 | 70 gallons | 65 | 22.75 | 12 | Drawing (pdf) |
| H-227 | 72 gallons | 84.25 | 18 | 13 | Drawing (pdf) |
| H-436 | 73 gallons | 85 | 24.75 | 11.25 | Drawing (pdf) |
| H-362 | 90 gallons | 79.75 | 24 | 13.25 | Drawing (pdf) |
| H-422 | 110 gallons | 63 | 24.75 | 17.75 | Ask for details |
Custom Marine Holding Tanks
End Dump Holding Tanks
| Part No. | Capacity | Length | Width | Depth | Drawings |
| H-545 | 6 gallons | 38.375 | 15 | 3.5 | Ask for details |
| H-273 | 8 gallons | 15 | 17 | 8 | Drawing (pdf) |
| H-135 | 8 gallons | 22.75 | 12.75 | 7.5 | Drawing (pdf) |
| H-128 | 9 gallons | 32.5 | 15 | 6.5 | Drawing (pdf) |
| H-256 | 9 gallons | 35 | 11.75 | 6 | Drawing (pdf) |
| H-491 | 9 gallons | 82 | 6 | 6.75 | Ask for details |
| H-565 | 9 gallons | 84.25 | 8 | 8.5 | Drawing (pdf) |
| H-380 | 10 gallons | 43.5 | 15 | 5.75 | Drawing (pdf) |
| H-384 | 10 gallons | 43.5 | 15 | 5.75 | Drawing (pdf) |
| H-325 | 10 gallons | 61.5 | 8 | 8.5 | Drawing (pdf) |
| H-493 | 10 gallons | 68 | 8 | 7.625 | Drawing (pdf) |
| H-219S | 10 gallons | 70 | 5.5 | 15 | Drawing (pdf) |
| H-219L | 12 gallons | 88 | 5.5 | 15 | Drawing (pdf) |
| H-131 | 15 gallons | 58 | 14.25 | 6 | Drawing (pdf) |
| H-379 | 16 gallons | 56 | 10 | 8.5 | Drawing (pdf) |
| H-307 | 16 gallons | 65 | 20 | 4.5 | Drawing (pdf) |
| H-253 | 17 gallons | 30 | 20 | 8 | Drawing (pdf) |
| H-566 | 18 gallons | 30 | 19.875 | 8.75 | Drawing (pdf) |
| H-244 | 19 gallons | 54 | 22 | 6.5 | Drawing (pdf) |
| H-567 | 19 gallons | 76 | 16 | 5 | Drawing (pdf) |
| H-96 | 20 gallons | 26 | 19.75 | 11 | Drawing (pdf) |
| H-448 | 20 gallons | 42 | 29.5 | 5.25 | Drawing (pdf) |
| H-502 | 20 gallons | 48 | 16 | 8 | Drawing (pdf) |
| H-424 | 20 gallons | 61 | 14.75 | 6.5 | Drawing (pdf) |
| H-551 | 21 gallons | 32 | 17 | 10.75 | Drawing (pdf) |
| H-571 | 21 gallons | 61 | 11 | 9 | Drawing (pdf) |
| H-454 | 21 gallons | 95 | 13.75 | 7.5 | Drawing (pdf) |
| H-294 | 22 gallons | 40 | 20 | 8 | Drawing (pdf) |
| H-272 | 23 gallons | 38 | 25.5 | 6.5 | Drawing (pdf) |
| H-298 | 23 gallons | 43 | 10.5 | 13 | Drawing (pdf) |
| H-447 | 23 gallons | 68 | 20 | 5.25 | Drawing (pdf) |
| H-103 | 24 gallons | 76 | 11 | 8.5 | Drawing (pdf) |
| H-521 | 24 gallons | 93.25 | 13.625 | 7.1875 | Ask for details |
| H-278 | 25 gallons | 38 | 26 | 7.5 | Drawing (pdf) |
| H-295 | 25 gallons | 42 | 20 | 8 | Drawing (pdf) |
| H-453S | 25 gallons | 82 | 13 | 7.5 | Drawing (pdf) |
| H-560 | 26 gallons | 73.75 | 12 | 9 | Drawing (pdf) |
| H-444 | 26 gallons | 81.5 | 14.5 | 6.25 | Drawing (pdf) |
| H-21 | 27 gallons | 44 | 13.25 | 12.5 | Drawing (pdf) |
| H-356 | 27 gallons | 82 | 16 | 6 | Drawing (pdf) |
| H-453L | 27 gallons | 94 | 13 | 7.5 | Drawing (pdf) |
| H-558 | 28 gallons | 55 | 13.625 | 9.875 | Drawing (pdf) |
| H-217 | 29 gallons | 74.25 | 21.25 | 6.5 | Drawing (pdf) |
| H-270 | 30 gallons | 50.5 | 20 | 8 | Drawing (pdf) |
| H-449 | 30 gallons | 54 | 43.75 | 5.75 | Drawing (pdf) |
| H-476 | 30 gallons | 90 | 16 | 6 | Ask for details |
| H-237 | 30 gallons | 98 | 16 | 6 | Drawing (pdf) |
| H-562 | 31 gallons | 58 | 22 | 8 | Drawing (pdf) |
| H-67 | 32 gallons | 36 | 36 | 7.25 | Drawing (pdf) |
| H-531 | 32 gallons | 96 | 14.5 | 8 | Drawing (pdf) |
| H-370 | 34 gallons | 104 | 10 | 9 | Drawing (pdf) |
| H-420 | 35 gallons | 104 | 17.25 | 6 | Drawing (pdf) |
| H-305 | 35 gallons | 47 | 26.5 | 9 | Drawing (pdf) |
| H-215 | 36 gallons | 48 | 36 | 7 | Drawing (pdf) |
| H-388 | 38 gallons | 54.75 | 21.5 | 9.25 | Drawing (pdf) |
| H-218 | 38 gallons | 68.25 | 21.25 | 8 | Drawing (pdf) |
| H-536 | 38 gallons | 90 | 16 | 8.5 | Drawing (pdf) |
| H-498 | 42 gallons | 60 | 30 | 7.25 | Drawing (pdf) |
| H-432 | 44 gallons | 65 | 15.25 | 12 | Drawing (pdf) |
| H-570 | 47 gallons | 48 | 27 | 15 | Drawing (pdf) |
| H-359 | 47 gallons | 68 | 27.25 | 7.5 | Drawing (pdf) |
| H-515 | 48 gallons | 44 | 29 | 11 | Ask for details |
| H-514 | 50 gallons | 38 | 35 | 11 | Drawing (pdf) |
| H-361 | 50 gallons | 42 | 32 | 10.5 | Drawing (pdf) |
| H-257 | 51 gallons | 30 | 26 | 16 | Drawing (pdf) |
| H-284 | 55 gallons | 42 | 27.25 | 13 | Drawing (pdf) |
| H-303 | 55 gallons | 51 | 27.25 | 14 | Drawing (pdf) |
| H-85 | 55 gallons | 51.75 | 28 | 10 | Drawing (pdf) |
| H-266 | 56 gallons | 60 | 29.5 | 13 | Drawing (pdf) |
| H-484 | 56 gallons | 60 | 30 | 9 | Ask for details |
| H-421 | 56 gallons | 65 | 20.25 | 17.75 | Drawing (pdf) |
| H-365 | 60 gallons | 60.25 | 21 | 13 | Drawing (pdf) |
| H-260 | 60 gallons | 65 | 26 | 13 | Drawing (pdf) |
| H-143 | 60 gallons | 72 | 16 | 14.5 | Drawing (pdf) |
| H-569 | 76 gallons | 48 | 15 | 27 | Drawing (pdf) |
| H-265 | 77 gallons | 60 | 29.5 | 13 | Drawing (pdf) |
| H-540 | 78 gallons | 50 | 50 | 8.625 | Drawing (pdf) |
| H-259 | 82 gallons | 65 | 29.5 | 13 | Ask for details |
| H-390 | 82 gallons | 80 | 15 | 19.5 | Drawing (pdf) |
| H-144 | 93 gallons | 72.25 | 24 | 14.5 | Drawing (pdf) |
| H-310 | 104 gallons | 57 | 28 | 20 | Drawing (pdf) |
| H-165 | 110 gallons | 65 | 21 | 13 | Drawing (pdf) |
| H-165M | 110 gallons | 65 | 21 | 21.5 | Drawing (pdf) |
| H-166 | 115 gallons | 60.25 | 24 | 20 | Drawing (pdf) |
| H-366 | 120 gallons | 65 | 24 | 20 | Drawing (pdf) |
| H-331 | 123 gallons | 100 | 32 | 11 | Drawing (pdf) |
| H-313 | 135 gallons | 83 | 37 | 19 | Drawing (pdf) |
| H-360 | 170 gallons | 58 | 24 | 30 | Drawing (pdf) |
| H-543 | 250 gallons | 72 | 48 | 19 | Drawing (pdf) |
Custom Marine Holding Tanks
End Dump Holding Tanks with Rails
| Part No. | Capacity | Length | Width | Depth | Drawings |
| H-130 | 12 gallons | 18 | 17.75 | 14.25 | Drawing (pdf) |
| H-79 | 15 gallons | 60 | 11.75 | 7.75 | Drawing (pdf) |
| H-59 | 17 gallons | 71.25 | 14.75 | 6.5 | Drawing (pdf) |
| H-28 | 20 gallons | 34 | 15 | 12 | Drawing (pdf) |
| H-42 | 21 gallons | 36 | 21 | 7.5 | Drawing (pdf) |
| H-201 | 22 gallons | 50.5 | 17.25 | 8.75 | Drawing (pdf) |
| H-34 | 23 gallons | 33.75 | 20 | 9.5 | Drawing (pdf) |
| H-47 | 24 gallons | 54.75 | 21 | 7.5 | Drawing (pdf) |
| H-65 | 23 gallons | 30 | 21 | 11 | Drawing (pdf) |
| H-330 | 25 gallons | 31 | 27 | 9.5 | Drawing (pdf) |
| H-55 | 25 gallons | 51 | 23.75 | 9 | Drawing (pdf) |
| H-355 | 25 gallons | 54 | 32 | 5.75 | Drawing (pdf) |
| H-72 | 21 gallons | 59.25 | 16 | 8.5 | Drawing (pdf) |
| H-205 | 27 gallons | 26.75 | 20 | 8.5 | Drawing (pdf) |
| H-213 | 27 gallons | 55 | 23.75 | 7.75 | Drawing (pdf) |
| H-3 | 27 gallons | 55 | 24 | 7 | Drawing (pdf) |
| H-204 | 27 gallons | 57 | 20 | 9 | Drawing (pdf) |
| H-57 | 25 gallons | 64 | 18 | 7.5 | Drawing (pdf) |
| H-368 | 29 gallons | 48 | 38 | 5.5 | Drawing (pdf) |
| H-64 | 30 gallons | 30 | 25 | 11 | Drawing (pdf) |
| H-24 | 30 gallons | 35.75 | 24 | 10 | Drawing (pdf) |
| H-339 | 30 gallons | 55 | 22 | 10 | Drawing (pdf) |
| H-584 | 31 gallons | 54 | 22 | 8 | Drawing (pdf) |
| H-463 | 31 gallons | 60 | 23 | 7.75 | Ask for details |
| H-393 | 32 gallons | 43 | 23 | 10.25 | Drawing (pdf) |
| H-206 | 32 gallons | 55 | 20.25 | 9.5 | Drawing (pdf) |
| H-52 | 32 gallons | 67.5 | 20 | 7.75 | Drawing (pdf) |
| H-464 | 34 gallons | 60 | 23 | 7.75 | Ask for details |
| H-305 | 35 gallons | 47 | 26.5 | 9 | Drawing (pdf) |
| H-512 | 34 gallons | 55 | 24 | 10.5 | Drawing (pdf) |
| H-45 | 35 gallons | 49.25 | 27 | 8.5 | Drawing (pdf) |
| H-51 | 35 gallons | 67.5 | 26 | 7.75 | Drawing (pdf) |
| H-252 | 36 gallons | 45 | 22 | 10.5 | Drawing (pdf) |
| H-6 | 37 gallons | 48.5 | 25 | 9 | Drawing (pdf) |
| H-334 | 39 gallons | 54.75 | 27 | 8.75 | Drawing (pdf) |
| H-14 | 39 gallons | 55 | 26.5 | 9 | Drawing (pdf) |
| H-7 | 40 gallons | 54.5 | 26.5 | 9 | Drawing (pdf) |
| H-308 | 40 gallons | 54.75 | 27 | 9 | Drawing (pdf) |
| H-333 | 40 gallons | 55 | 32 | 10 | Drawing (pdf) |
| H-501 | 40 gallons | 56 | 28.5 | 8.25 | Drawing (pdf) |
| H-290 | 40 gallons | 56.5 | 24.5 | 8.75 | Ask for details |
| H-364 | 40 gallons | 57 | 25 | 9.5 | Drawing (pdf) |
| H-383 | 40 gallons | 57 | 42 | 7 | Drawing (pdf) |
| H-513 | 40 gallons | 60 | 27 | 10 | Ask for details |
| H-507 | 40 gallons | 84 | 27 | 6.5 | Drawing (pdf) |
| H-225 | 44 gallons | 61 | 31.25 | 8.5 | Drawing (pdf) |
| H-407 | 45 gallons | 58 | 25 | 8.75 | Drawing (pdf) |
| H-371 | 50 gallons | 53 | 27 | 10 | Drawing (pdf) |
| H-516 | 50 gallons | 69 | 29 | 8.25 | Ask for details |
| H-363 | 55 gallons | 60 | 35 | 9.25 | Drawing (pdf) |
| H-17 | 55 gallons | 70 | 27 | 8.75 | Ask for details |
Custom Marine Holding Tanks
L-Shaped End Dump Holding Tanks
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-235 | 9 gallons | 28 | 17.5 | 6 | Drawing (pdf) |
| H-232 | 10 gallons | 30 | 16 | 6.25 | Drawing (pdf) |
| H-435 | 13 gallons | 30 | 20 | 8 | Drawing (pdf) |
| H-236 | 15 gallons | 72.5 | 15 | 6 | Drawing (pdf) |
| H-234 | 18 gallons | 28 | 27 | 6.5 | Drawing (pdf) |
| H-238 | 19 gallons | 71.5 | 18 | 5 | Drawing (pdf) |
| H-522 | 19 gallons | 97.4375 | 16.375 | 7.625 | Drawing (pdf) |
| H-520 | 20 gallons | 103.4375 | 16.375 | 7.625 | Drawing (pdf) |
| H-568 | 20 gallons | 44 | 41.5 | 6 | Drawing (pdf) |
| H-236D | 20 gallons | 72.5 | 15 | 7.5 | Ask for details |
| H-398 | 22 gallons | 38.25 | 44 | 7.75 | Drawing (pdf) |
| H-537 | 23 gallons | 47.75 | 23.25 | 10.5 | Drawing (pdf) |
| H-40 | 24 gallons | 36 | 20 | 12.75 | Drawing (pdf) |
| H-367 | 25 gallons | 42 | 44 | 7.75 | Drawing (pdf) |
| H-509 | 25 gallons | 42.5625 | 25.0625 | 7.25 | Ask for details |
| H-238D | 25 gallons | 71.5 | 18 | 6.5 | Ask for details |
| H-460 | 26 gallons | 37 | 30.5 | 7.5 | Ask for details |
| H-549 | 26 gallons | 54.5 | 19 | 13.375 | Ask for details |
| H-538 | 31 gallons | 103 | 34 | 8.5 | Drawing (pdf) |
| H-348S | 32 gallons | 57 | 44 | 8 | Drawing (pdf) |
| H-369 | 34 gallons | 80 | 33 | 9.5 | Drawing (pdf) |
| H-539 | 37 gallons | 104 | 28.5 | 10.5 | Drawing (pdf) |
| H-534 | 39 gallons | 104 | 18.5 | 6.25 | Drawing (pdf) |
| H-417 | 40 gallons | 57 | 58 | 8 | Drawing (pdf) |
| H-535 | 41 gallons | 104 | 18.5 | 6.25 | Drawing (pdf) |
| H-345 | 41 gallons | 80 | 36 | 6.75 | Drawing (pdf) |
| H-533 | 43 gallons | 53 | 36.25 | 10.5 | Drawing (pdf) |
| H-84 | 50 gallons | 60 | 27 | 11.5 | Ask for details |
| H-314 | 71 gallons | 77 | 34.75 | 9.75 | Drawing (pdf) |
| H-458 | 74 gallons | 57.5 | 19.25 | 20 | Drawing (pdf) |
| H-459 | 103 gallons | 57.5 | 26.5 | 20 | Ask for details |
Custom Marine Holding Tanks
L-Shaped Side Dump Holding Tanks
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-302 | 13 gallons | 65.75 | 22.75 | 6 | Drawing (pdf) |
| H-301 | 16 gallons | 73.5 | 34.25 | 6 | Drawing (pdf) |
| H-429 | 20 gallons | 80 | 40.5 | 6 | Drawing (pdf) |
| H-285 | 24 gallons | 50 | 22 | 8.75 | Drawing (pdf) |
| H-475 | 26 gallons | 44 | 38.25 | 8 | Ask for details |
| H-233 | 35 gallons | 74 | 33.5 | 6 | Drawing (pdf) |
| H-109 | 40 gallons | 76 | 27 | 10 | Drawing (pdf) |
| H-425 | 45 gallons | 93 | 30 | 8.5 | Drawing (pdf) |
Custom Marine Holding Tanks
Recessed End Dump Holding Tanks
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-326 | 9 gallons | 31.5 | 15.5 | 8 | Drawing (pdf) |
| H-27 | 10 gallons | 31.25 | 6.5 | 8.5 | Drawing (pdf) |
| H-327 | 10 gallons | 46 | 16.5 | 8.5 | Drawing (pdf) |
| H-306 | 11 gallons | 18.5 | 14.25 | 15.5 | Drawing (pdf) |
| H-322 | 12 gallons | 53 | 11 | 8 | Drawing (pdf) |
| H-573 | 13 gallons | 19.75 | 17.75 | 13.5 | Drawing (pdf) |
| H-552 | 14 gallons | 25 | 19.5 | 9.125 | Ask for details |
| H-382 | 14 gallons | 67 | 11 | 8 | Drawing (pdf) |
| H-271 | 16 gallons | 72.5 | 11 | 8.5 | Drawing (pdf) |
| H-274 | 16 gallons | 79.5 | 11 | 8 | Drawing (pdf) |
| H-381 | 18 gallons | 67 | 11 | 8 | Drawing (pdf) |
| H-328 | 18 gallons | 68 | 14 | 8 | Drawing (pdf) |
| H-248 | 18 gallons | 70.75 | 12 | 7.5 | Drawing (pdf) |
| H-323 | 19 gallons | 68 | 12.25 | 8.5 | Drawing (pdf) |
| H-337 | 20 gallons | 68 | 15 | 8.5 | Drawing (pdf) |
| H-261 | 20 gallons | 71 | 15 | 8.5 | Drawing (pdf) |
| H-321 | 20 gallons | 96 | 11 | 7.5 | Drawing (pdf) |
| H-553 | 21 gallons | 24 | 19.5 | 12.75 | Drawing (pdf) |
| H-556 | 21 gallons | 24.0625 | 20.4375 | 14.25 | Drawing (pdf) |
| H-338 | 24 gallons | 68 | 15 | 8 | Drawing (pdf) |
| H-555 | 27 gallons | 28 | 20 | 15 | Drawing (pdf) |
| H-20 | 27 gallons | 53 | 13 | 12 | Drawing (pdf) |
| H-247 | 27 gallons | 73.75 | 15 | 7.75 | Drawing (pdf) |
| H-97 | 30 gallons | 38.75 | 21.5 | 11.5 | Drawing (pdf) |
| H-91 | 30 gallons | 54.5 | 32 | 7 | Drawing (pdf) |
| H-37 | 35 gallons | 70 | 15 | 10 | Drawing (pdf) |
| H-315 | 40 gallons | 57 | 28 | 9 | Drawing (pdf) |
| H-351 | 44 gallons | 59 | 17 | 13 | Drawing (pdf) |
| H-486 | 47 gallons | 78 | 16.9375 | 11.375 | Ask for details |
| H-490 | 47 gallons | 81 | 17 | 11.625 | Ask for details |
| H-471 | 48 gallons | 54.25 | 20 | 13 | Ask for details |
| H-481 | 59 gallons | 78 | 20 | 11.375 | Ask for details |
| H-385 | 60 gallons | 76.5 | 14.75 | 16 | Ask for details |
| H-391 | 61 gallons | 80 | 13.75 | 20.5 | Ask for details |
| H-482 | 63 gallons | 78 | 23 | 11.375 | Ask for details |
| H-487 | 68 gallons | 78 | 23.5 | 11.375 | Ask for details |
| H-489 | 68 gallons | 81 | 23.5 | 11.625 | Ask for details |
| H-169 | 72 gallons | 90 | 20 | 11 | Drawing (pdf) |
| H-477 | 74 gallons | 57.5 | 48.5 | 9.25 | Ask for details |
| H-357 | 75 gallons | 76.5 | 13.5 | 21 | Drawing (pdf) |
| H-243 | 78 gallons | 85 | 13.25 | 18.5 | Ask for details |
| H-557 | 80 gallons | 37 | 22.5 | 25.625 | Drawing (pdf) |
| H-470 | 80 gallons | 56.75 | 48.75 | 7.75 | Ask for details |
| H-495 | 80 gallons | 58 | 24.5 | 17 | Ask for details |
| H-473 | 100 gallons | 63.75 | 23.5 | 19 | Ask for details |
Custom Marine Holding Tanks
Recessed End Dump Holding Tanks w/Rails
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-586 | 12 gallons | 35.5 | 18 | 6 | Ask for details |
| H-587 | 19 gallons | 52 | 19 | 6 | Drawing (pdf) |
| H-577 | 23 gallons | 48 | 17.5 | 10 | Drawing (pdf) |
| H-508 | 35 gallons | 56 | 24 | 8.125 | Ask for details |
Custom Marine Holding Tanks
Recessed Side Dump Holding Tanks
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-575 | 12 gallons | 19.75 | 17.75 | 10 | Drawing (pdf) |
Custom Marine Holding Tanks
Recessed Side Dump Holding Tanks With Rails
Custom Marine Holding Tanks
Side Dump Holding Tanks
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-542 | 9.5 gallons | 26.875 | 20.25 | 6.875 | Ask for details |
| H-574 | 10 gallons | 46.75 | 28 | 2.75 | Drawing (pdf) |
| H-324 | 11 gallons | 34.5 | 16.5 | 6.5 | Drawing (pdf) |
| H-576 | 11 gallons | 46.75 | 28 | 3.5 | Drawing (pdf) |
| H-559 | 14 gallons | 46 | 16 | 6 | Drawing (pdf) |
| H-564 | 18 gallons | 36.25 | 24.125 | 6 | Drawing (pdf) |
| H-428 | 21 gallons | 53 | 24 | 6 | Drawing (pdf) |
| H-550 | 24 gallons | 32 | 23 | 9.125 | Drawing (pdf) |
| H-423 | 25 gallons | 39 | 31 | 6.5 | Drawing (pdf) |
| H-561 | 29 gallons | 30.375 | 28.3125 | 9.75 | Drawing (pdf) |
| H-532 | 30 gallons | 110 | 14.5 | 6 | Drawing (pdf) |
| H-450S | 32 gallons | 38.75 | 46 | 6.5 | Drawing (pdf) |
| H-416 | 35 gallons | 104 | 17.25 | 6 | Drawing (pdf) |
| H-450L | 35 gallons | 42 | 46 | 6.5 | Drawing (pdf) |
| H-578 | 38 gallons | 72.5 | 22 | 6.5 | Drawing (pdf) |
| H-452 | 41 gallons | 83 | 16 | 10.25 | Drawing (pdf) |
| H-414 | 41 gallons | 85.5 | 16 | 10.75 | Drawing (pdf) |
| H-126 | 42 gallons | 42 | 27.25 | 10.5 | Drawing (pdf) |
| H-239 | 42 gallons | 42.5 | 27.25 | 10.5 | Drawing (pdf) |
| H-443 | 44 gallons | 85.5 | 22 | 10.25 | Drawing (pdf) |
| H-541 | 45 gallons | 55 | 50 | 6 | Ask for details |
| H-439 | 53 gallons | 84 | 20.5 | 9.75 | Drawing (pdf) |
| H-283 | 57 gallons | 42 | 27.25 | 13 | Drawing (pdf) |
| H-349 | 57 gallons | 70 | 24 | 10 | Drawing (pdf) |
| H-441 | 59 gallons | 85.5 | 22 | 10.25 | Drawing (pdf) |
| H-442 | 59 gallons | 85.5 | 22 | 10.25 | Drawing (pdf) |
| H-282 | 60 gallons | 60 | 27 | 11.5 | Drawing (pdf) |
| H-415 | 60 gallons | 85.5 | 24.5 | 10.75 | Drawing (pdf) |
| H-451 | 64 gallons | 83 | 24.5 | 10.25 | Drawing (pdf) |
| H-155 | 65 gallons | 85 | 22.75 | 12.5 | Drawing (pdf) |
| H-426 | 65 gallons | 87.5 | 22 | 11.25 | Drawing (pdf) |
| H-427 | 65 gallons | 87.5 | 22 | 11.25 | Drawing (pdf) |
| H-440 | 70 gallons | 84 | 25 | 9.75 | Drawing (pdf) |
| H-386 | 77 gallons | 87.5 | 22 | 13 | Drawing (pdf) |
| H-387 | 77 gallons | 87.5 | 22 | 13 | Drawing (pdf) |
| H-554 | 250 gallons | 72 | 48 | 19 | Drawing (pdf) |
Custom Marine Holding Tanks
Side Dump Holding Tanks with Rails
| Part No. | Capacity | Length | Width | Depth | Drawing |
| H-82 | 18 gallons | 35.5 | 23.75 | 7.25 | Drawing (pdf) |
| H-299 | 18 gallons | 45.25 | 27.5 | 5.5 | Drawing (pdf) |
| H-530 | 19 gallons | 42 | 28 | 5.75 | Drawing (pdf) |
| H-523 | 20 gallons | 53 | 16.5 | 4.8125 | Drawing (pdf) |
| H-342 | 20 gallons | 55 | 20 | 7 | Drawing (pdf) |
| H-343 | 20 gallons | 55 | 20 | 7 | Drawing (pdf) |
| H-344 | 20 gallons | 55 | 47 | 6 | Ask for details |
| H-563 | 21 gallons | 48.5 | 22.5 | 6 | Drawing (pdf) |
| H-300 | 24 gallons | 52 | 17 | 8 | Drawing (pdf) |
| H-246 | 25 gallons | 56 | 40 | 8 | Drawing (pdf) |
| H-100 | 25 gallons | 58 | 32 | 6 | Drawing (pdf) |
| H-83 | 25 gallons | 58 | 32 | 6 | Drawing (pdf) |
| H-25 | 25 gallons | 59 | 27 | 5.5 | Drawing (pdf) |
| H-228 | 29 gallons | 64.75 | 17 | 7.75 | Ask for details |
| H-75 | 30 gallons | 43 | 20.5 | 12 | Drawing (pdf) |
| H-335 | 30 gallons | 52 | 29 | 8 | Drawing (pdf) |
| H-332 | 30 gallons | 55 | 35 | 7 | Drawing (pdf) |
| H-347 | 30 gallons | 53.75 | 28 | 6.5 | Ask for details |
| H-210 | 30 gallons | 56 | 36 | 6 | Drawing (pdf) |
| H-210M | 30 gallons | 56 | 36 | 6.5 | Drawing (pdf) |
| H-211 | 30 gallons | 56 | 36 | 6 | Drawing (pdf) |
| H-547 | 31 gallons | 60 | 30 | 6 | Drawing (pdf) |
| H-202 | 32 gallons | 54 | 28 | 7.75 | Drawing (pdf) |
| H-212 | 34 gallons | 54 | 28 | 7.25 | Drawing (pdf) |
| H-392 | 34 gallons | 54.25 | 28 | 7.25 | Drawing (pdf) |
| H-211M | 34 gallons | 56 | 36 | 6.5 | Ask for details |
| H-318 | 35 gallons | 55.5 | 30 | 7.5 | Drawing (pdf) |
| H-208 | 35 gallons | 56 | 28 | 8 | Drawing (pdf) |
| H-527 | 35 gallons | 59 | 28 | 8.125 | Drawing (pdf) |
| H-582 | 37 gallons | 61.875 | 24 | 8 | Drawing (pdf) |
| H-583 | 37 gallons | 61.875 | 24 | 8 | Drawing (pdf) |
| H-358 | 38 gallons | 56 | 30 | 7.5 | Drawing (pdf) |
| H-469 | 38 gallons | 60 | 24 | 8 | Ask for details |
| H-221 | 39 gallons | 55.75 | 30 | 8 | Drawing (pdf) |
| H-5 | 40 gallons | 52.5 | 24.25 | 9.25 | Drawing (pdf) |
| H-505 | 40 gallons | 53 | 34 | 7.75 | Drawing (pdf) |
| H-506 | 40 gallons | 53 | 34 | 7.75 | Drawing (pdf) |
| H-352 | 40 gallons | 55 | 32 | 10 | Drawing (pdf) |
| H-340 | 40 gallons | 55 | 35 | 7 | Drawing (pdf) |
| H-341 | 40 gallons | 55 | 47 | 6 | Drawing (pdf) |
| H-288 | 40 gallons | 56 | 30 | 7.75 | Drawing (pdf) |
| H-474 | 40 gallons | 56 | 40 | 8 | Ask for details |
| H-309 | 40 gallons | 57.75 | 42 | 6.75 | Drawing (pdf) |
| H-289 | 40 gallons | 58 | 38 | 7.75 | Drawing (pdf) |
| H-319 | 40 gallons | 59 | 28 | 8 | Drawing (pdf) |
| H-320 | 40 gallons | 59 | 28 | 8 | Drawing (pdf) |
| H-500 | 40 gallons | 65 | 24 | 8.25 | Drawing (pdf) |
| H-245 | 41 gallons | 56 | 40 | 8 | Drawing (pdf) |
| H-209 | 41 gallons | 56 | 32 | 7 | Drawing (pdf) |
| H-203 | 42 gallons | 54.25 | 28 | 9 | Drawing (pdf) |
| H-445 | 42 gallons | 54.5 | 26.5 | 9 | Drawing (pdf) |
| H-240 | 44 gallons | 57 | 42 | 7 | Drawing (pdf) |
| H-207 | 45 gallons | 56 | 40 | 7.75 | Drawing (pdf) |
| H-378 | 45 gallons | 56 | 45 | 5.25 | Drawing (pdf) |
| H-336 | 36 gallons | 57.25 | 32 | 9 | Drawing (pdf) |
| H-409 | 45 gallons | 58.5 | 45 | 5.25 | Drawing (pdf) |
| H-267 | 45 gallons | 60.5 | 33 | 9 | Drawing (pdf) |
| H-455 | 46 gallons | 58 | 25 | 10 | Drawing (pdf) |
| H-412 | 46 gallons | 64 | 31 | 8 | Drawing (pdf) |
| H-585 | 47 gallons | 61 | 26 | 9.5 | Drawing (pdf) |
| H-430 | 47 gallons | 61 | 36 | 7 | Drawing (pdf) |
| H-526 | 48 gallons | 48 | 36 | 6.75 | Drawing (pdf) |
| H-446 | 50 gallons | 54 | 35 | 9 | Drawing (pdf) |
| H-413 | 50 gallons | 56 | 30 | 10 | Drawing (pdf) |
| H-499 | 50 gallons | 56 | 35 | 9 | Drawing (pdf) |
| H-431 | 50 gallons | 61 | 40 | 6.75 | Drawing (pdf) |
| H-579 | 50 gallons | 65 | 29 | 8.25 | Drawing (pdf) |
| H-497 | 55 gallons | 54 | 34 | 9 | Drawing (pdf) |
| H-434 | 55 gallons | 56 | 35 | 9 | Drawing (pdf) |
| H-438 | 55 gallons | 56 | 36 | 9 | Drawing (pdf) |
| H-268 | 60 gallons | 60.5 | 33 | 9 | Drawing (pdf) |
| H-581 | 65 gallons | 60 | 32 | 10.5625 | Drawing (pdf) |
| H-580 | 67 gallons | 62 | 33.5 | 10.125 | Drawing (pdf) |
| H-524 | 76 gallons | 64 | 46 | 8.25 | Drawing (pdf) |
| H-544 | 80 gallons | 37 | 22.5 | 18.75 | Drawing (pdf) |
Give us a call at 1-863-261-8388 or fill out our request a price quote to discuss your roto mold project requirements.
Roto Molding for Marine Tanks
The production process of your marine water tank commences with roto molding. In this method, high-quality virgin polyethylene resin is melted inside a sealed mold, creating a hollow space. The mold is precisely positioned and exposed to temperatures ranging from 260°C to 370°C.
As the mold rotates, the molten polyethylene resin uniformly coats the interior, resulting in smooth walls with consistent thickness throughout. This innovative technique guarantees the creation of a robust marine waste holding tank that is remarkably sturdy, seamless, and built to endure over an extended period.
By utilizing roto molding, we ensure that your water tank attains the highest quality standards, offering you a dependable solution for all your marine requirements.
Questions? We can help! Call us at 1-863-261-8388 or request a price quote.
Marine Accessories
One Clarion leads the industry by making sure we meet your needs. We offer customizable tank dimensions to fit your specifications, and accessories to make your experience better. If your project requires a unique size or shape, a custom mold can even be created to accommodate your needs. If you have questions, please contact us! We're here to help you!
Fittings:
Achieve reliable and secure connections with polyethylene fittings, expertly crafted using state-of-the-art spin welding technology. Through this advanced process, we ensure the creation of robust and long-lasting joints that are completely leak-proof and resistant to breakage. Our fittings are meticulously manufactured to match your specific tanks, guaranteeing a precise and secure connection that will endure over time.
Custom Fitted Compartments:
We also offer a variety of extremely strong, watertight compartments. Choose from rounded corner open ended, square corner open ended, and square corner top and end compartments in a variety of sizes.
For a comprehensive list of boat storage containers, please refer to our dedicated section.
Battery Boxes
Explore our diverse range of battery boxes designed specifically to safeguard your marine battery from potential hazards such as tipping, impact, accidental short-circuits, and corrosion. (Call us for more information!)
- Battery Box GRP-31-S
- Double Battery Box End X End GRP-31-DE
- Double Battery Box Side X Side GRP-31-DS
- Optima Battery Box GRP-34-SO
Sustainable Custom Plastic Storage
These custom plastic marine tank gives a sustainable solution for environmental friendly water storage. Manufactured with non-toxic material, tanks have a low carbon emission during their life cycle. They will withstand corrosion, are leak proof, resist UV damage, and last longer than other tanks. Reduce your carbon footprint with our flexible, cost-effective plastic marine tanks.
Marine Holding Tanks provide a wide range of customization for the size, shape and fit of your boat's needs. We create the perfect marine waste holding tank for your boat. Talk with one of our team members to find out more about our custom boat water tanks and other marine tanks to fit your project needs.
Questions? We can help! Call us at 1-863-261-8388 or request a price quote.
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Questions? We can help! Call us at 1-863-261-8388 or request a price quote.