Southwest Harbor is a town in Hancock County, Maine, United States.

[2] The municipality contains within it the villages of Southwest Harbor, Manset, Seawall, Wonderland, and Pemetic Hills.

The building originally housed Pemetic High School, which served Southwest Harbor and the neighboring town of Tremont.

Today, high school students from Southwest Harbor and Tremont attend Mount Desert Island High School in the town of Mount Desert.

Hinckley Yachts maintains its headquarters, design, construction, and repair facilities in Southwest Harbor.

MapsAlive, a software as a service company providing interactive maps and floor plans, is also located in Southwest Harbor.

[8] The United States Coast Guard maintains a multipurpose facility in the town; USCGC Bridle is based there as well.

[9] The Claremont Hotel, built in 1883, is listed on the National Register of Historic Places.