The Block Island Ferry is your fastest link to Block Island, Rhode Island. Interstate Navigation Company, Inc. operates the Block Island Ferry, and is the only year-round ferry service to Block Island. Based in Point Judith, (Narragansett), Rhode Island, the Block island Ferry offers Traditional ferry service, (55 minute voyage) as well as the fastest ferry trip from the mainland on the High speed ferry service, (30 minute cruise). If your trip to Block Island is for business, a family vacation, or an island weekend getaway, the Block Island Ferry will get you to Block Island quickly and easily. The Block Island Ferry is the only vehicle ferry service to Block Island. We transport passenger vehicles, commercial trucks as well as shipping freight. The Block Island Ferry is your full service ferry company. We have the most departures and convenient ferry schedule from the mainland which allows you greater flexibility when traveling to and from Block Island on our traditional or high speed ferry! Block Island Ferry is a ferry service located in Narragansett, RI.