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

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