| Cedar Island | |
| Pushpin Map: | Massachusetts#USA |
| Coordinates: | 41.5051°N -70.6978°W[1] |
| Archipelago: | Elizabeth Islands |
| Total Islands: | 1 |
| Country: | United States |
| Country Admin Divisions Title: | State |
| Country Admin Divisions: | Massachusetts |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Dukes County |
Cedar Island is one of the Elizabeth Islands between Monohansett Island and Nonamesset Island. It is located in Dukes County, Massachusetts, southwest of Woods Hole in the Town of Gosnold. The island has been known as Cedar Island due to the profusion of small cedars that grow on it. On 1911 C&GS Charts it is named "East Buck Island".