Marine Fresh Water Tanks
Boat Water Tank Replacements
Discover premium marine fresh water tanks meticulously crafted from FDA-approved virgin polyethylene plastic resins, guaranteeing the utmost quality for a wide range of marine applications. Whether you need boat tanks, graywater tanks, marine fresh water tanks, water storage tanks, ballast tanks, or more, our seamless, one-piece construction ensures water purity and prevents any leakage or contamination risks. We take pride in tailoring our robust and enduring tanks to your exact specifications, ensuring a flawless and leakproof fit.
Perfectly suited for potable water storage, the marine fresh water tanks comply with FDA regulation CFR 177.1520 and Coast Guard Standards. Enclosed entirely, these poly water storage tanks boast walls that are 3/8" thick, providing exceptional strength for a prolonged service life. Should you require a tank of a unique size or shape, we're here to assist you, ensuring that you acquire the ideal tank to meet your specific project requirements. Don't hesitate to reach out and speak with one of our knowledgeable team members today!
See our Marine Water Tanks (pdf) for more details.
Custom Marine Water Storage Tanks
Experience the exceptional quality of these marine fresh water tanks, expertly crafted using FDA-approved, virgin polyethylene plastic resin. They are specifically designed to store potable water in various marine vessels, including sailboats, yachts, and deep-sea fishing boats. With a seamless, one-piece construction, these marine tanks offer both durability and practicality, ensuring a reliable water storage solution. Say goodbye to concerns about cracks or weakening over time, plastic marine tanks are built to withstand the rigors of marine environments.
For added convenience, these tanks feature female NPT openings strategically positioned on one end, making them compatible with marine plumbing systems. This design ensures seamless integration and simplifies installation. Spin welded fittings protect against leaking and provide a secure fit!
At One Clarion, we take pride in delivering the highest quality marine tanks available on the market. Trust us to provide you with a reliable solution for your marine water storage needs.
Bow Shaped Marine Water Tanks
| Part No. | Capacity | Length | Width | Depth | Drawings |
|---|---|---|---|---|---|
| W-367 | 8 gallons | 19.5 | 13.5 | 7.5 | drawing (pdf) |
| W-370 | 12 gallons | 24 | 15 | 12 | drawing (pdf) |
| W-366 | 15 gallons | 36 | 13.5 | 7.5 | drawing (pdf) |
| W-361 | 16 gallons | 15 | 25.25 | 13 | drawing (pdf) |
| W-365 | 25 gallons | 59 | 13.5 | 7.5 | drawing (pdf) |
| W-363 | 35 gallons | 66 | 15.5 | 9.81 | drawing (pdf) |
| W-359 | 56 gallons | 90 | 17.5 | 12 | drawing (pdf) |
| W-360 | 56 gallons | 90 | 17.5 | 12 | drawing (pdf) |
Rectangle Shaped Marine Water Tanks
| Part No. | Capacity | Length | Width | Depth | Drawings |
|---|---|---|---|---|---|
| W-364 | 2 gallons | 9.75 | 9.75 | 6 | drawing (pdf) |
| W-49 | 3 gallons | 16 | 7.5 | 6.5 | drawing (pdf) |
| W-77 | 5 gallons | 15.5 | 15.5 | 5 | drawing (pdf) |
| W-369 | 6 gallons | 16 | 12 | 8 | ask for details |
| W-354 | 6 gallons | 17 | 12 | 8 | drawing (pdf) |
| W-26 | 8 gallons | 19.25 | 13 | 9.5 | drawing (pdf) |
| W-306 | 8 gallons | 36 | 16 | 4 | ask for details |
| W-376 | 8 gallons | 54 | 6 | 7 | ask for details |
| W-245 | 9 gallons | 17.625 | 15.625 | 8.25 | ask for details |
| L-1 | 10 gallons | 18 | 16 | 8 | drawing (pdf) |
| W-53 | 10 gallons | 24 | 14.5 | 7.5 | drawing (pdf) |
| W-210 | 10 gallons | 24 | 15.5 | 8 | drawing (pdf) |
| W-33 | 10 gallons | 31 | 15.5 | 6 | drawing (pdf) |
| W-294 | 10 gallons | 40 | 25 | 9.25 | drawing (pdf) |
| L-2 | 12 gallons | 24 | 16 | 8 | drawing (pdf) |
| W-28 | 13 gallons | 30 | 14 | 8.25 | drawing (pdf) |
| W-355 | 15 gallons | 17.75 | 14.75 | 14.75 | drawing (pdf) |
| W-27 | 15 gallons | 22.25 | 13 | 13 | drawing (pdf) |
| W-327 | 15 gallons | 23 | 16 | 11 | drawing (pdf) |
| L-3 | 15 gallons | 30 | 16 | 8 | drawing (pdf) |
| W-97 | 15 gallons | 33 | 21.5 | 5.75 | ask for details |
| W-328 | 15 gallons | 48.5 | 10.75 | 7.875 | drawing (pdf) |
| W-282 | 16 gallons | 30.125 | 17.25 | 8 | drawing (pdf) |
| W-209 | 19 gallons | 36 | 15.5 | 8 | drawing (pdf) |
| W-51 | 20 gallons | 21 | 17 | 14 | drawing (pdf) |
| W-80 | 20 gallons | 24 | 17.75 | 12 | drawing (pdf) |
| W-368 | 20 gallons | 24.5 | 15.5 | 13.5 | drawing (pdf) |
| W-95 | 20 gallons | 30 | 18 | 9 | drawing (pdf) |
| W-81 | 20 gallons | 33.25 | 17.25 | 8.75 | drawing (pdf) |
| L-4 | 20 gallons | 36 | 16 | 8 | drawing (pdf) |
| W-320 | 21 gallons | 21 | 21 | 12.5 | drawing (pdf) |
| W-371 | 21 gallons | 29 | 20 | 9 | drawing (pdf) |
| W-268 | 22 gallons | 35 | 14 | 12 | ask for details |
| W-304 | 25 gallons | 25 | 21 | 12 | drawing (pdf) |
| W-45 | 25 gallons | 27 | 20 | 12 | drawing (pdf) |
| W-85 | 25 gallons | 34 | 17.5 | 11 | drawing (pdf) |
| W-20 | 25 gallons | 42 | 16 | 10 | ask for details |
| L-5 | 25 gallons | 48 | 16 | 8 | drawing (pdf) |
| W-201 | 25 gallons | 52.5 | 12 | 10.75 | drawing (pdf) |
| W-31 | 27 gallons | 21 | 18 | 18 | drawing (pdf) |
| W-2 | 27 gallons | 35 | 15 | 13 | drawing (pdf) |
| W-335 | 27 gallons | 42.5 | 17.5 | 9 | drawing (pdf) |
| W-285 | 27 gallons | 44 | 17 | 9 | drawing (pdf) |
| W-225 | 28 gallons | 34.25 | 17.5 | 12 | ask for details |
| W-207 | 28 gallons | 35.25 | 15 | 13 | drawing (pdf) |
| W-55 | 28 gallons | 52 | 12 | 11 | drawing (pdf) |
| W-323 | 29 gallons | 25 | 24 | 12 | drawing (pdf) |
| W-244 | 30 gallons | 29.75 | 25.75 | 9.5 | drawing (pdf) |
| W-30 | 30 gallons | 32 | 20 | 12 | drawing (pdf) |
| W-254 | 30 gallons | 33 | 20 | 11 | drawing (pdf) |
| W-292 | 30 gallons | 34.5 | 18 | 12 | drawing (pdf) |
| W-233 | 30 gallons | 35.5 | 19 | 10.75 | drawing (pdf) |
| W-32 | 30 gallons | 42 | 28 | 6.5 | drawing (pdf) |
| W-280 | 30 gallons | 44 | 14 | 12 | drawing (pdf) |
| W-338 | 30 gallons | 45.5 | 22 | 7.75 | drawing (pdf) |
| W-236 | 32 gallons | 50.5 | 20 | 8 | ask for details) |
| W-373 | 32 gallons | 64 | 24 | 5.25 | drawing (pdf) |
| W-237 | 33 gallons | 30 | 16 | 16 | drawing (pdf) |
| W-332 | 33 gallons | 42 | 21.5 | 9 | drawing (pdf) |
| W-234 | 34 gallons | 48 | 21 | 8 | drawing (pdf) |
| W-22 | 35 gallons | 31.5 | 19.5 | 14.75 | drawing (pdf) |
| W-316 | 35 gallons | 33 | 28 | 9 | ask for details |
| W-202 | 35 gallons | 37 | 20 | 12 | drawing (pdf) |
| W-75 | 35 gallons | 69 | 11 | 11 | drawing (pdf) |
| W-324 | 38 gallons | 41.5 | 17.75 | 12.5 | ask for details |
| W-266 | 38 gallons | 47 | 17 | 12.125 | ask for details |
| W-3 | 38 gallons | 48.5 | 14 | 13 | drawing (pdf) |
| W-205 | 38 gallons | 58.5 | 16.125 | 10 | drawing (pdf) |
| W-227 | 38 gallons | 71.5 | 13 | 10 | drawing (pdf) |
| W-259 | 39 gallons | 28.375 | 18 | 17.5 | drawing (pdf) |
| W-257 | 39 gallons | 55 | 28 | 6.25 | drawing (pdf) |
| W-248 | 40 gallons | 31 | 26 | 11.75 | drawing (pdf) |
| W-291 | 40 gallons | 31.75 | 28 | 11.25 | drawing (pdf) |
| W-307 | 40 gallons | 33 | 22.5 | 13.5 | ask for details |
| W-293 | 40 gallons | 34 | 16 | 17 | drawing (pdf) |
| W-313 | 40 gallons | 38 | 25 | 11 | ask for details |
| W-17 | 40 gallons | 41 | 15.25 | 15.5 | ask for details |
| W-284 | 40 gallons | 41 | 21 | 11 | drawing (pdf) |
| W-296 | 40 gallons | 41 | 21 | 11 | drawing (pdf) |
| W-204 | 40 gallons | 42.25 | 27 | 9.5 | drawing (pdf) |
| W-96 | 40 gallons | 54 | 20 | 9 | ask for details |
| W-295 | 40 gallons | 54 | 23.5 | 8 | drawing (pdf) |
| W-1 | 40 gallons | 58 | 14 | 12 | drawing (pdf) |
| W-226 | 40 gallons | 58 | 21 | 8 | ask for details |
| W-270 | 40 gallons | 60 | 18 | 9.375 | drawing (pdf) |
| W-314 | 40 gallons | 60 | 18 | 9.375 | ask for details |
| W-231 | 41 gallons | 50 | 19 | 10 | drawing (pdf) |
| W-48 | 41 gallons | 60 | 28 | 6 | drawing (pdf) |
| W-380 | 43 gallons | 99 | 13.75 | 7.5 | ask for details |
| W-250 | 44 gallons | 38 | 17 | 16 | drawing (pdf) |
| W-38 | 44 gallons | 42 | 26.5 | 9.5 | ask for details |
| W-309 | 44 gallons | 60 | 31 | 5.75 | ask for details |
| W-24 | 45 gallons | 40 | 19 | 16 | drawing (pdf) |
| W-35 | 45 gallons | 42 | 20 | 13 | ask for details |
| W-25 | 45 gallons | 48 | 28 | 8 | drawing (pdf) |
| W-264 | 45 gallons | 64 | 24 | 7.5 | drawing (pdf) |
| W-79 | 47 gallons | 48 | 19.75 | 12 | drawing (pdf) |
| W-279 | 48 gallons | 72 | 20 | 8 | drawing (pdf) |
| W-249 | 50 gallons | 26 | 21.5 | 21 | drawing (pdf) |
| W-275 | 50 gallons | 45 | 26 | 10 | ask for details |
| W-289 | 50 gallons | 48 | 18 | 14.5 | drawing (pdf) |
| W-318 | 50 gallons | 51 | 28 | 8.375 | ask for details |
| W-330 | 50 gallons | 54.75 | 27 | 8 | drawing (pdf) |
| W-208 | 50 gallons | 57 | 36 | 6 | drawing (pdf) |
| W-228 | 50 gallons | 64 | 32 | 6 | drawing (pdf) |
| W-271 | 50 gallons | 68 | 13.5 | 13.5 | drawing (pdf) |
| W-212 | 52 gallons | 58 | 24 | 9 | drawing (pdf) |
| W-12 | 53 gallons | 30.25 | 24.5 | 17.25 | ask for details |
| W-305 | 54 gallons | 55 | 28 | 8.375 | drawing (pdf) |
| W-403 | 55 gallons | 45 | 23 | 12.75 | ask for details |
| W-302 | 55 gallons | 51 | 21 | 13 | drawing (pdf) |
| W-4 | 55 gallons | 60 | 20.5 | 11 | drawing (pdf) |
| W-76 | 57 gallons | 48 | 24 | 12 | drawing (pdf) |
| W-300 | 60 gallons | 48 | 21.5 | 14.5 | drawing (pdf) |
| W-74 | 60 gallons | 50 | 18 | 16 | drawing (pdf) |
| W-276 | 60 gallons | 53.5 | 21 | 13 | drawing (pdf) |
| W-277 | 60 gallons | 57 | 28 | 9 | drawing (pdf) |
| W-37 | 60 gallons | 70 | 26 | 8 | ask for details |
| W-59 | 60 gallons | 79.25 | 15.75 | 11.5 | drawing (pdf) |
| W-331 | 62 gallons | 50 | 32 | 9 | drawing (pdf) |
| W-223 | 65 gallons | 34 | 24 | 18.5 | ask for details |
| W-362 | 65 gallons | 39.75 | 23.75 | 16.25 | drawing (pdf) |
| W-241 | 65 gallons | 60 | 22 | 11.5 | drawing (pdf) |
| W-220 | 68 gallons | 42.5 | 39 | 9.5 | drawing (pdf) |
| W-84 | 68 gallons | 48.5 | 26 | 13 | drawing (pdf) |
| W-213 | 72 gallons | 34.5 | 23 | 21.5 | drawing (pdf) |
| W-34 | 74 gallons | 65 | 20.75 | 13 | drawing (pdf) |
| W-251 | 80 gallons | 59 | 49.5 | 7 | drawing (pdf) |
| W-315 | 93 gallons | 71 | 27 | 11.5 | ask for details |
| W-218 | 95 gallons | 41 | 25.25 | 22 | drawing (pdf) |
| W-230 | 97 gallons | 67 | 48 | 7 | drawing (pdf) |
| W-214 | 98 gallons | 52 | 26 | 17 | drawing (pdf) |
| W-221 | 100 gallons | 36 | 27.5 | 23.5 | drawing (pdf) |
| W-101 | 100 gallons | 50 | 40 | 12 | drawing (pdf) |
| W-68 | 103 gallons | 59.25 | 23.625 | 17.75 | ask for details |
| W-63 | 105 gallons | 46.5 | 33 | 16 | drawing (pdf) |
| W-88 | 105 gallons | 48 | 24 | 21.5 | drawing (pdf) |
| W-60 | 105 gallons | 79.25 | 27 | 11.5 | drawing (pdf) |
| W-310 | 105 gallons | 92 | 27.5 | 10 | ask for details |
| W-308 | 107 gallons | 94 | 27 | 9.75 | ask for details |
| W-238 | 128 gallons | 64.5 | 40 | 11.5 | ask for details |
| W-347 | 132 gallons | 65 | 38 | 12.5 | drawing (pdf) |
| W-239 | 140 gallons | 64.5 | 43.5 | 11.5 | drawing (pdf) |
| W-272 | 142 gallons | 60 | 43 | 13.75 | drawing (pdf) |
| W-108 | 145 gallons | 50 | 31.25 | 22 | drawing (pdf) |
| W-69 | 145 gallons | 69.75 | 44 | 11 | ask for details |
| W-56 | 160 gallons | 64.75 | 43 | 13.75 | drawing (pdf) |
| W-345 | 163 gallons | 65 | 30.5 | 19.25 | drawing (pdf) |
| W-372 | 188 gallons | 62 | 40 | 17.5 | drawing (pdf) |
Wedge Shaped Marine Water Tanks
| Part No. | Capacity | Length | Width | Depth | Drawings |
|---|---|---|---|---|---|
| W-358 | 8 gallons | 19.75 | 17.75 | 8 | drawing (pdf) |
| W-375 | 17 gallons | 24.5 | 22 | 9 | drawing (pdf) |
| W-274 | 65 gallons | 69 | 24.25 | 10.75 | ask for details |
| W-273 | 70 gallons | 73.75 | 24.25 | 10.75 | ask for details |
| W-211 | 72 gallons | 61.75 | 24 | 13 | drawing (pdf) |
| W-281 | 81 gallons | 70 | 26.75 | 11.75 | drawing (pdf) |
| W-349 | 82 gallons | 48 | 40.5 | 11 | ask for details |
| W-224 | 88 gallons | 73.75 | 24.25 | 12.75 | ask for details |
| W-353 | 93 gallons | 59 | 36.5 | 11.375 | drawing (pdf) |
| W-303 | 97 gallons | 73 | 24.75 | 14 | drawing (pdf) |
| W-215 | 100 gallons | 78 | 26 | 14 | drawing (pdf) |
| W-99 | 105 gallons | 60 | 40.5 | 11.25 | ask for details |
| W-374 | 107 gallons | 76 | 38.5 | 10.125 | ask for details |
| W-350 | 108 gallons | 76 | 40 | 10 | ask for details |
| W-378 | 110 gallons | 57 | 32 | 16 | ask for details |
| W-93 | 150 gallons | 67.5 | 40.5 | 14.25 | drawing (pdf) |
Simple Ordering Process
We are dedicated to providing the best quality custom marine water tans for your project. These tanks don’t come with pre-drilled holes, so we have a blank canvas to place holes and fittings exactly where you need them. Your custom boat water tank can pivot to fit your available space.
- Start by simply filling in a tank drawing with your tank dimensions and specifications. Show on your drawing where you need the ports on your tank. Be as precise as you can with measurements showing location. Send it to us using the contact us form or email, with your requirements included.
- Once our team reviews your drawing, they will contact you with feedback and suggestions.
- Our team works with you until you're satisfied with the design, and then processes your order.
- We encourage you to provide the most specific information available to fit sizes and locations for your tank. If you're not sure about all the details, our team is ready to guide you through the process, making any changes you need.
*Mounting straps are not included with this tank, and it is not for use with gasoline fuel storage. If you need a different type of tank, our team can help you find the right custom tank to fit your specific needs.
Roto Molding for Marine Water Tanks
Marine water tank manufacturing begins with the meticulous process of roto molding. High-quality virgin polyethylene resin is carefully heated and melted inside a sealed mold. This mold is then placed in a casting and heated to temperatures ranging from 260°C to 370°C. As the mold rotates, the molten resin uniformly coats its interior, ensuring the creation of smooth, strong walls with consistent thickness throughout.
The result is a remarkably durable marine water tank that boasts exceptional strength and a seamless construction. Seamless is important in the tank world, as by having no seams, it eliminates weak points that are prone to cracking and leaking. With its robust design, these water tank offers longevity, providing you with a reliable and long-lasting solution for your marine water storage needs
Marine Water Tank Accessories
One Clarion is proud to be an industry leader by making sure we meet your needs. We offer customizable tank dimensions to fit your specifications, and install spin weld fittings. If your project requires a unique size or shape, we can even create a custom mold to accommodate your needs.
Fittings
Spin welding is utilized to securely attach polyethylene fittings to the holding tanks and fresh water tanks. This straightforward yet effective process results in a robust and long-lasting permanent joint connection, ensuring the utmost durability. Not only does spin welding create a strong bond, but it also produces a polished and seamless finish.
We can have fittings customized for your tanks, guaranteeing a precise fit that is both secure and watertight. Rest assured that our fittings will seamlessly integrate with your tanks, providing a reliable solution for your specific needs.
Boat storage:
We also provide an assortment of custom, watertight compartments to meet your specific storage needs. Our selection includes rounded corner open-ended compartments, square corner open-ended compartments, as well as square corner top and end compartments, available in various sizes. These compartments are designed to offer convenience and versatility, ensuring efficient organization and storage solutions for your boat.
For a comprehensive list of boat storage containers, please refer to our dedicated section.
Battery Boxes
We offer a range of battery boxes designed to provide essential protection for your marine battery. The battery boxes are specifically engineered to prevent tipping, accidental short-circuits, and corrosion, ensuring the optimal performance and longevity of your battery.
With these battery boxes, you can have peace of mind knowing that your marine battery is securely housed and shielded from potential hazards. Invest in the protection your battery deserves and enjoy worry-free boating experiences.
See: Battery boxes sizes
Sustainable Custom Plastic Storage
These custom plastic marine tanks gives a sustainable solution for environmental friendly water storage. Manufactured with non-toxic material, tanks have a low carbon emission during their life cycle. Our tanks can withstand corrosion, are leak proof, resist UV damage, and last longer than other tanks. Reduce your carbon footprint with these flexible, cost-effective plastic marine tanks.
Experience unparalleled customization options with this Marine Fresh Water Tank, tailored to meet your precise specifications for size, shape, and fit. Whether you require a water storage tank for your boat or any other marine tank, we specialize in creating the perfect solution to suit your project requirements.
To explore our extensive range of custom boat water tanks and other marine tanks, we invite you to speak with one of our knowledgeable team members. They will provide you with detailed information, guiding you through the process of selecting the ideal tank that perfectly aligns with your needs.
Don't settle for anything less than perfection when it comes to your marine water storage. Contact us today and let us assist you in finding the ideal custom solution for your boat water tank and other marine tank needs.
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