| Gerry E. Studds Stellwagen Bank National Marine Sanctuary | |
|---|---|
 Humpback whale breaching off the Northwest Corner | |
 Map of the Stellwagen Bank sanctuary | |
| Location | Massachusetts Bay, Massachusetts, United States |
| Coordinates | 42°20′00″N 70°15′00″W / 42.3333°N 70.25°W |
| Area | 638 sq nmi (2,190 km2) |
| Established | November 14, 1992 |
| Governing body | NOAA National Ocean Service |
| stellwagen | |
Stellwagen Bank National Marine Sanctuary (officially the Gerry E. Studds Stellwagen Bank National Marine Sanctuary) is an 842-square-mile (636 sq nmi; 2,181 km2) United States Government-protected national marine sanctuary located at the mouth of Massachusetts Bay between Cape Cod and Cape Ann. It is known as an excellent whale watching site, and is home to many other species of marine life.
The sanctuary's headquarters are located in Scituate, Massachusetts.