Groton Long Point Southeastern Connecticut RegionConnecticut www.grotonlongpointassociation.org/index.html Map Population 505 (2020)Type CityArea 0.43 sq mi (1.11 km²), 0.02 sq mi waterGovernment BOROUGH OF GROTON LONG POINT ASSOCIATIONGovernment office PO BOX 3737, GROTON, CT 06340