USS Castine
USS Castine (named after the small town of Castine in Maine) is the name of the following ships or boats of the United States Navy:
- USS Castine (PG-6) ( Gunboat No. 6 ), gunboat (in service from 1894 to 1924), sister ship of the USS Machias (PG-5)
- USS Castine (IX-211) ( PC-452 ), auxiliary ship in World War II, see PC-451/452