The Block Island Ferry is the fastest link to Block Island. Interstate Navigation Company, Inc. operates the Block Island Ferry, and is the only year-round ferry service to Block Island. Based in Pt. Judith, (Narragansett), Rhode Island, the Block Island Ferry offeres Tradtional Ferry service, (55 minute voyage) as well as the fastest ferry trip from the mainland on the High speed ferry, (30 minute cruise). The Block Ferry is the only ferry service that carries vehicles to the Island. We transport vehicles, passenger, bicycles, and freight and have the most daily departures.