According to the latest information available, the boat ramp named Barn Island is located in Rhode Island and has a latitude of 41.3373909 and a longitude of -71.87566376. It is a public boat ramp that is managed by the State of Rhode Island Division of Fish and Wildlife. The ramp is made of concrete and has a maximum width of 25 feet.

The boat ramp at Barn Island services the body of water known as the Pawcatuck River. This river is located in southern Rhode Island and southeastern Connecticut and flows into the Atlantic Ocean. The water is suitable for a variety of watercraft, including powerboats, sailboats, canoes, and kayaks.

There are no specific restrictions on the type of craft that are permitted to use the boat ramp at Barn Island. However, there may be restrictions on the size or horsepower of the motor that is allowed on the water, depending on the specific regulations for the Pawcatuck River. It is recommended that boaters consult local regulations and guidelines before launching their watercraft at this ramp.