MV Spirit of British Columbia is an Sclass ferry, part of the BC Ferries fleet active along the British Columbia coast. It and Spirit of Vancouver Island represent the two largest ships in the fleet. The ship was completed in 1993 and serves the Tsawwassen–Swartz Bay route. In 2018, it underwent a midlife refit that included conversion to a dualfuel system that allows it to use either marine diesel oil or liquefied natural gas.
Spirit of British Columbia is an Sclass ferry that measures 167.5 m (549 ft 6 in) long overall. The vessel has a 18,747 gross tonnage (GT)

The ferry was initially powered by four MAN 6L40/54 diesel engines driving two shafts creating 21,394 horsepower. Spirit of British Columbia has a maximum speed of 19.5 knots (36.1 km/h; 22.4 mph). In 2018, the ferry began a midlife refit that involved changing the propulsion system to a dualfuel system comprising four Wärtsilä 34DF dualfuel engines which allows the ship to use either marine diesel oil or liquefied natural gas to power the ship. Further changes include navigation and propulsion equipment, steering and evacuation systems, lighting and air conditioning. Passenger areas were upgraded including the lounges, bathrooms and retail areas.

The ferry has capacity for 2,100 passengers and crew and 358 automobiles. The ferry is equipped with lounges and cafes.