Portsmouth Naval Prison
The former prison as seen in 2013 | |
| Location | Kittery, Maine |
|---|---|
| Coordinates | 43°04′34″N 70°43′52″W / 43.0761°N 70.7311°W |
| Status | Closed |
| Opened | 1908 |
| Closed | 1974 |
Portsmouth Naval Prison is a former U.S. Navy and Marine Corps prison on the grounds of the Portsmouth Naval Shipyard (PNS) in Kittery, Maine. The building has the appearance of a castle. The reinforced concrete naval prison was occupied from 1908 until 1974.