10 Best Boat Fuel Tanks In 2020

Moeller is a well-known brand, and this is one of their larger marine gas tanks. With a capacity of 12 gallons, it’s recommended to be used above deck only. It’s made from high-density polyethylene (PET). The cap has two stage self-venting, and the product meets EPA requirements. Interesting additions on this product are the reserve level on tank bottom, as well as the fuel level gauge for easy control.

Here we have an affordable 6 gallon fuel tank which holds all the vapor inside. With just under 9” in height, it has a low profile to store it under your seat. It comes with NPT fuel fitting at a 90° angle, and a high-contrast fuel gauge on the cap. While it’s very secure, it’s not EPA approved yet. You will also get a 1-year warranty.

Another Moeller product, this one comes in 3 or 6.5 gallon capacity to choose from. It’s made from strong PET and the cap design is self-venting which is practical. Fuel fitting stands at 90° and rotates, making it easier to connect the hose. There is also a fuel gauge with glass lens, and a handle for easier carrying.

This Arksen gas caddy is made from steel, and holds 35 gallons of fuel. While it’s not your typical tank, it’s practical to transfer gasoline and store it. The pump works both ways, so you can fill your smaller tank or empty it into the caddy by simply reversing the cranking action. The hose is 8ft lonk and kink-free.

As for safety, there is an anti-static ground clamp which prevents accidental static discharge. Finally, this top rated boat fuel tank comes with two 10” rear wheels, front casters with brakes and a sturdy handle, making transfer very easy.

Attwood designed this 3-gallon tank to have multiple layers which are great at withstanding pressure build-up. When pressure becomes too high, the self-venting cap with a vacuum valve does the job. This tank is compatible with 1/4-inch NPT fuel fitting. It complies with EPA regulations too. When it comes to boat plastic gas tanks, this one is possibly the best value for money.

This extra-large tank complies to all safety requirements. While it costs a bit more, the cross-linked poly construction justifies it. It can be mounted topside, which is practical. The fuel fitting is 3/8in made from aluminum. There is also a mechanical direct sight gauge on the cap. It’s very solid and sturdy.

Here we have a Five Oceans tank with 3-gallon capacity. It’s low permeation, containing the vapor inside. When pressure builds up, you need to vent it manually. The fuel fitting is NPT with 90 degree angle and 1/4" thread. The compact size makes it very practical for your inflatable boat, or other type of smaller vessel. While it’s small, it’s very robust. There is a handle positioned on top for easier carrying, and also a high contrast fuel gauge.

This is a permanently installed 20-gallon tank, made from aluminum. It measures 19.75” (L) x 24" (W) x 10" (H). It’s fairly easy to install, with brackets located near each corner. On the top, there is a AN-10 fuel fitting. It has been tested not to explode or leak on impact, so this is a very safe tank.

One more large-capacity tank, this one holds 15 gallons and allows topside mounting. It has a low profile making it easier to place in tighter spaces. However, it is very large (42.5"(L) x 14.75"(W) x 9.97"(H)), so measure carefully before buying. Fuel fitting is made from aluminum, and the fuel level gauge is located in the cap. It’s very durable and possibly one of the best boat gas tanks in terms of performance.

Scepter Marine gives you a choice between a 3 or 6 gallon tank with same design. It’s EPA compliant, and built from strong materials. It has self-venting, but it’s a bit slow so there can be some pressure build-up. The tank has 1/4-inch NPT fuel fitting, and right next to it there is a fuel level gauge. It also has molded feet which improve its stability.