Cape Air is an airline that operates in three markets. They operate in Massachusetts and Rhode Island in one market, in Puerto Rico, the US Virgin Islands, and the British Virgin Islands in another market, and Florida in the last market. Cape Air operates flights with a Cessna CNA.

Continental Airlines has Cape Air's flights from San Juan, Puerto Rico's Luis Munoz Marin International Airport under the name Continental Connection.

Cape Air's IATA call code is 9K. Cape Air has a sister airline called Nantucket Airlines.