A Portable Marine Boat Fuel Tank is a fuel container designed for use on boats. It is typically made of a durable, corrosion-resistant material such as aluminum or polyethylene. The tank is designed to be easily transported and stored when not in use. It is equipped with a fuel cap and may also have a fuel gauge or level indicator to help the user monitor the amount of fuel in the tank. Portable Marine Boat Fuel Tanks are an essential piece of equipment for any boat owner, as they allow the boat to be used for extended periods of time without the need to constantly refuel.