Sugar Island

Sugar Island may refer to:


 * Islands
 * Sugar Island (Michigan), in the St. Marys River between Michigan and Ontario
 * Sugar Island (Detroit River), another Michigan island located in the Detroit River
 * Sugar Island (Ohio), one of the Bass Islands in Lake Erie
 * Sugar Island (St. Lawrence River), in the Thousand Islands region of Ontario
 * Sugar Island (Maine), largest island of Moosehead Lake


 * Administrative divisions
 * Sugar Island Township, Michigan


 * Unincorporated communities
 * Sugar Island, Wisconsin