Several ferries operate routes between the islands of Oahu and Maui; Maui and Molokai; and Maui and Lanai. Visitors can also travel interisland on a cruise ship or by airplane.

Hawaii Superferry launched its service in late 2007. This large catamaran-style ferry offers daily service between Honolulu, Oahu, and Kahului, Maui. Passengers can walk on or travel with their car. If you plan to drive on with a rental car, check with your rental agency to ensure the car is eligible to travel on the Superferry. Only several agencies allow it.

Expeditions Inc. runs passenger ferries between Lahaina, Maui, and Manele Harbor, Lanai, five times a day. This is a 50-minute ride (each way) and costs between $40 (children) and $60 (adults) roundtrip.

The Molokai Ferry runs between Kaunakakai, Molokai and Lahaina, Maui once daily, seven days a week. The 149-passenger ferry offers one commuter trip daily, with sight-seeing charters available during the day. Commuter runs leave Kaunakakai at 6 a.m. and arrive in Lahaina at 7:15 a.m.; the return trip leaves Lahaina at 5 p.m. and arrives in Kaunakakai at 6:15 p.m. The one-way voyage takes approximately 90 minutes.

Cruises
Large passenger ships (including the Queen E II) dock regularly in Honolulu Harbor (Oahu) on their way through the Pacific, and a few offer a Hawaiian Island itinerary.

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