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
- Unincorporated communities
This disambiguation page lists articles about distinct geographical locations with the same name.
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