'Ocean Bluff' definitions:

Ocean Bluff-Brant Rock, MA -- U.S. Census Designated Place in Massachusetts

From: Gazetteer 2000
Name :
Ocean Bluff-Brant Rock, MA -- U.S. Census Designated Place in Massachusetts
Population (2000) :
5100
Housing Units (2000) :
2657
Land area (2000) :
2.048643 sq. miles (5.305960 sq. km)
Water area (2000) :
2.323497 sq. miles (6.017830 sq. km)
Total area (2000) :
4.372140 sq. miles (11.323790 sq. km)
FIPS code :
50862
Located within :
Massachusetts (MA), FIPS 25
Location :
42.101561 N, 70.660787 W
Note :
some ZIP codes may be omitted esp. for suburbs.