| Griffin Island | |
| Map: | Massachusetts#USA |
| Elevation Ft: | 75 |
| Location: | Cape Cod, Massachusetts |
| Coordinates: | 41.9418°N -70.0634°W[1] |
| Topo: | USGS Wellfleet |
Griffin Island is a mountain in Barnstable County, Massachusetts. It is located on west-northwest of Wellfleet in the Town of Wellfleet. Great Beach Hill is located south of Griffin Island.