A motorboat is a kind of boat that is powered by an engine, usually with a propeller. A tugboat is a type of vessel that is used to move other boats or barges by pushing or towing them. A buoy is a floating object that marks a navigational hazard or aids in navigation. A sailboat is a type of boat that is propelled by the wind using sails. A showboat is a type of boat that is used for entertainment purposes, such as hosting plays and concerts. A JOLLY boat is a small boat that is used for short trips, such as ferrying passengers from a larger ship to shore. A flatbottom boat is a type of boat that has a flat bottom and is used mainly for shallow waters.