The 7 Best Mariner Outboard Fuel tanks (2023 reviews)

We consider a mariner outboard fuel tank to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Attwood Gas Tank READ REVIEW

Best For tight spaces: Buy: Scepter Portable Fuel Tank READ REVIEW

Best With Hose: Buy: Bisupply Mariner Outboard Fuel Tank READ REVIEW

Best For Jon Boat: Buy: Attwood Mariner Outboard Fuel Tank READ REVIEW

Best For Large Boats: Buy: Bjtdllx Mariner Outboard Fuel Tank READ REVIEW

Best With gauge: Buy: Quicksilver Mariner Outboard Fuel Tank READ REVIEW

Best value For money: Buy: Scepter Mariner Outboard Fuel Tank READ REVIEW

Best Overall: Attwood Gas Tank

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The attwood gas tank's high-end materials makes sure that it ages well with use. This thing turns into a circus balloon when in the sun. It is used to the'vent less' design. It is a nice small can, no more metal can banging around in the back of the boat. The connections are easy to make (you just screw in a metal adapter) and the vent cap makes it easy to loosen/tighten as needed.

It is a great 3 gallon tank without a fuel gauge. You can easily hook this up to the lines and get your old toys mobile quickly. The built in handle is handy.

• Nice durable gas tank with a comfortable handle
• Very light weight, no rust issues, and no leaks
• Perfect size, easy hookup, and well built construction

Best For tight spaces: Scepter Portable Fuel Tank

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Not everyone likes to purchase tank for their daily usage, but the scepter portable fuel tank would be an anomoly. It’s a niche market for these small tanks, so if you’re looking for this one you probably need this size. The scepter portable marine fuel tank is easy to transport, and features a scepter. The combination fuel pick-up/sight gauge accepts standard 1/4 npt marine tank fittings. It is stored horizontally and connects to the outboard engine. The handle on the top is also a great design. It also has a nice fuel gauge. It fits between the back seat and transom very nicely. The gas gauge is very helpful.

• Good investment for long term
• Lot of satisfied buyers

Best With Hose: Bisupply Mariner Outboard Fuel Tank

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The Bisupply marine fuel tank for boats 6 gallon outboard motor fuel tank is designed to provide a steady and stable supply of fuel for your fishing, bowrider, and various other motor-powered boats. This hose is set up for Yamaha/Mercury. It measures 18 inches (45cm) tall, 12 inches (30cm) long, and 9 inches (22cm) wide. The connector on the tank opens the spring-loaded ball valve on the hose connector in the same way the boat motor does. There's a tube that runs to the bottom of the tank.

The Outboard fuel tank package includes (1) 24l tank and (1) hose for your convenience. It includes durable 10 and also it is constructed of durable p.e. Marine portable fuel tank includes handle to easily carry fuel wherever you need it. The bulb is marked for the flow direction.

• Marine portable fuel tank includes durable
• Plastic to ensure maximum durability for repeated, extended use
• New and hot release

Best For Jon Boat: Attwood Mariner Outboard Fuel Tank

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It has engineered the industry’s only comprehensive epa certified fuel tank-to-engine solution. It is ideal for pontoon boats where more fuel capacity is needed. The Cap has a 5 PSI vent release built in, which means that while the tank will swell up it should never get to a level that's unsafe.

The cap's valve also responds to vacuum so that fuel flow won't get interrupted, and so the tank won't squish when it cools down. It is better than no gauge and there is not enough venting as it builds pressure when setting in the sun.

• Nice tanks and 12 gallon capacity is nice
• Automotive-grade, multi-layer construction withstands the pressure build-up associated with closed fuel systems
• Meets epa and carb (california air resources board) regulations

Best For Large Boats: Bjtdllx Mariner Outboard Fuel Tank

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Bjtdllx offers a variety of tank for personal choice and yet maintaining quality in all the variants. This Outboard Fule water tank is made of lightweight and durable high-density polyethylene, low permeability, anti-aging, anti-impact, will not crack or chip, after being impacted, it can rebound naturally without permanent deformation. It is equipped with fuel to ensure that the fuel is clean and there is no worries about driving for thousands of miles. It is suitable for small to large boats, inflatable boats, small boats, canoes and even kayaks.

The fuel tank cap for outboard marine engines has two functions. The adapter 6-horsepower outboard motor model can be used for multiple models of outboard motors. It has a vent hole, suitable for leaded or unleaded gasoline.

• Lot of satisfied buyers
• New and hot release

Best With gauge: Quicksilver Mariner Outboard Fuel Tank

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Not everyone likes to purchase tank for their daily purpose, but the quicksilver mariner outboard fuel tank would be an anomoly. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. It is the premier supplier of mercury marine original equipment replacement engine parts, oils, and accessories, but also works to serve all original equipment brands in the marine and powersports industries. It is great for safe boating.

• Meets 2011 epa requirements for pressurized portable fuel tank
• Diurnal cap and fuel demand valve included
• High strength, blow molded construction with uv protection

Best value For money: Scepter Mariner Outboard Fuel Tank

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The scepter neptune portable marine fuel tank is easy to transport, and features a scepter. Stabilized material, the rugged crush-resistant design features a seamless one-piece polyethylene construction built to fuel your marine adventures for years to come. It is molded in to the design of the tank, making it easy to transport, even when full. It is also possible to use a t-fitting and run 2 honda generators at the same time from one marine gas tank. The low permeation tank eliminates fuel evaporation and retains octane value longer.

The fuel pump on a Honda generator is strong enough to suck the gas uphill from the marine fuel tank to the Honda generator gas cap, thus replenishing the gas in the Honda generator reservoir as the gas is used. The molded-in feet keep the tank off the floor for increased ventilation and stability while the slim profile makes for convenient under-seat storage.

• Perfect size for small boat, small engine
• Stabilized, rust and corrosion-resistant hdpe for maximum durability
• Works with gasoline, and ethanol blended fuels
• Equipped with scepter's 2-way vented cap