Raccoon Island is an

island An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...

in the

Hingham Bay Hingham Bay is the easternmost of the three small bays of outer Boston Harbor, part of Massachusetts Bay and forming the western shoreline of the town of Hull and the northern shoreline of Hingham in the United States state of Massachusetts. It ...

area of the

Boston Harbor Islands National Recreation Area The Boston Harbor Islands National Recreation Area is a national recreation area situated among the islands of Boston Harbor of Boston, Massachusetts. The area is made up of a collection of islands, together with a former island and a peninsula, ...

, situated just offshore of

Hough's Neck Houghs Neck is a one-square-mile (2.6 km2) peninsula in Quincy, Massachusetts. It is surrounded by Quincy Bay, Hingham Bay and Rock Island Cove. It is lined by Perry Beach, which runs along Manet Avenue; Nut Island, which is just beyond Great ...

in the city of Quincy. The island has a permanent size of just under , and is composed of bedrock outcroppings which reach an elevation of above

sea level Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised g ...

. The island is characterized by gravel beaches and rocky slopes. While it is possible to walk to the island at low tide, public access is discouraged.

References

Boston Harbor islands Quincy, Massachusetts Coastal islands of Massachusetts Islands of Norfolk County, Massachusetts {{Boston-geo-stub