It has capacity for 330 passengers, 10 bikes and is wheelchair accessible. It features two passenger decks, onboard restrooms and a snack and drink bar.
The MV Mare Island was built by Dakota Creek Industries, a shipbuilding and ship repair company in Anacortes, WA, at a cost of $6 million. It began ferry service in 1997.
It uses two MTU 16V4000 M73 engines and is propelled by two MJP 750 Mk 2 Water Jets allowing it to reach a top speed of 34 knots (39 miles per hour).
It is made from aluminum and measures 41.3 meters in length. It has a gross tonnage of 95 tons. The MV Mare Island uses ultra low sulfur diesel for its fuel source and has a fuel capacity of 5,000 gallons.