10 Best Boat Fuel Tanks In 2021

Large 12-gallon capacity and exceptional HDPE construction are the two main reasons why the Scepter 12-gallon slowly became one of the most popular marine gas tanks. This boat gas tank is EPA-compliant and comes with a two-way valve that automatically releases pressure when it gets over 5 PSI. Considering the quality, the Scepter 12 tank is also very affordable, making it a fantastic deal.

At just under 9 inches tall, Five Oceans boat gas tank fits perfectly under most boat seats. This 6-gallon fuel tank won’t take up too much space, but still has plenty of juice for your adventures. The top comes with an NPT fuel hose fitting at a 90° angle, as well as a high-contrast fuel gauge. As a cherry on top, you will also get a 1-year warranty with the purchase.

If you want a boat gas tank that is compact and reliable, Attwood 3 gallon model is an excellent option. Thanks to its small dimensions, it fits into any space on the boat. Another great detail about this model is its multi-layered walls that are incredibly safe and withstand high pressure. Lastly, if you also take the price into account, this model gives you exceptional value for money.

Despite having a volume of 12 gallons, Scepter 08669 boat gas tank comes with a low profile for easier fitting. This top-rated boat fuel tank is made from high-density polyethylene to prevent any leaks, while the safety cap automatically releases pressure over 5 PSI. In addition to the tethered cap and the standard NPT fitting, it also has a built-in fuel level gauge.

A fantastic space-saver, the Five Oceans 3 Gallon boat gas tank is ideal for small boats. These high-quality boat plastic gas tanks have low permeation, containing all the vapor inside. And, when pressure builds up, you can easily release it manually. On top of this, the tank cap comes with a built-in fuel gauge so you can see how much you have left.

The great thing about Scepter Marine EPA tank is that it comes in two sizes (3 and 6 gallons). As its name suggests, it’s EPA compliant and built from strong materials. While it has self-venting, the process can be a bit slow so it can swell a bit. Finally, the tank has 1/4-inch NPT fuel fitting, and right next to it there is a fuel level gauge.

The quality of the plastic on the Moeller marine seamless fuel tanks is truly impressive. The thick walls have no seams or weak spots, making them up to 30% stronger than all the other products. Thanks to this, the tank completely leak-proof and meets all safety standards. We also like that it comes with a strong molded handle for easy carrying.

The design of this Moeller fuel tank is completely oriented towards performance and functionality on the boat. It’s much larger than most others (12 gallons), with plenty of petrol or diesel fuel for hours of cruising. On the other hand, its shape still keeps it manageable when trying to find space for it on the deck. Also, it has a sight gauge on the cap to easily check the fuel level.

Thanks to its 15-gallon capacity, Moeller marine topside is one of the best boat gas tanks for large outboard engines. And, if this is still too small, you can get it in 22 and 24-gallon versions too. Keep in mind that this model is very large, so measure carefully to see whether it can fit on the boat. Lastly, the entire construction is very durable and guaranteed to last long.

Attwood 8806LP2 is one of the most user-friendly tanks that you’ll come across. Thanks to the built-in vacuum valve in the cap, these fuel tanks will vent automatically when the pressure inside gets too high. The design complies with all the rules and regulations, so it’s very safe to use on the boat. It’s also worth noting that you can get it with or without a fuel level gauge.