From New London to Block Island (1 hour 20 minutes, five times a day, late May to mid-September), Oak Bluffs to Quonset Point (1 hour 45 minutes, twice a day, mid-June to late September), Orient Point to Block Island (an hour and a half, every day, late June to early September) and Montauk to Block Island (1 hour 15 minutes, every day, late May to mid-October).