The waterway linking Hilton Head Island and Savannah carries more than four centuries of maritime traffic. Colonial merchants, rice barges, Union ironclads, and rum runners all followed the same tidal channels that modern passenger ferries now traverse daily. The route threads through salt marsh, tidal creeks, and the Savannah River estuary, covering roughly twenty nautical miles depending on operator and seasonal routing. What once took flatboats a full day now requires under ninety minutes by modern diesel catamaran. Savannah's port district grew from this river access. By the mid-1700s wharves lined Factor's Walk, where cotton bales stacked three stories high awaited transatlantic shipment. Hilton Head remained a quieter outpost until Union forces seized it in 1861, turning the island into a coaling station and logistical hub. The federal occupation brought the first deep-water docks to the island's western shore, many of which still anchor modern marina infrastructure. Today the same tidal rhythms that governed colonial trade schedules dictate departure windows for passenger vessels. Spring tides offer the deepest channel draft; neap tides require operators to time crossings within a two-hour window of high water. Passenger ferry service between the two points reappeared in the early 2000s, initially as seasonal charters for golf tourists. By 2010 year-round scheduled runs replaced the ad hoc model. Operators now depart from Harbour Town or Shelter Cove on Hilton Head and dock at River Street in Savannah's historic district, within walking distance of Factors Walk, City Market, and Forsyth Park. The vessels themselves range from open-deck launches to climate-controlled cabin cruisers, all licensed by the Coast Guard for inland waterway passenger service. Most carry between forty and one hundred passengers and include restrooms, cushioned seating, and partial shade canopies. Round trip service allows same-day exploration of Savannah without the hassle of Interstate 95 bridge traffic or downtown parking. Visitors disembark mid-morning, spend four to six hours in the city, then board the return crossing in late afternoon. The riverfront promenade, cobblestone ramps, and cast-iron balconies of the historic district sit less than two hundred meters from the ferry landing. Booking a Hilton Head to Savannah round trip ferry ticket eliminates the need for rental cars or rideshare coordination, particularly during peak summer weekends when downtown Savannah parking lots fill by 10 AM. Operators publish fixed departure schedules from March through November, with reduced frequency in winter months when water temperatures and tourist volume both decline.