WordNet (r) 3.0 (2006):

Culebra
    n 1: a small island off the coast of Puerto Rico with miles of
         beautiful beaches

U.S. Gazetteer Counties (2000):

Culebra -- U.S. Municipio in Puerto Rico
   Population (2000):    1868
   Housing Units (2000): 1024
   Land area (2000):     11.618370 sq. miles (30.091439 sq. km)
   Water area (2000):    157.207931 sq. miles (407.166656 sq. km)
   Total area (2000):    168.826301 sq. miles (437.258095 sq. km)
   Located within:       Puerto Rico (PR), FIPS 72
   Location:             18.311149 N, 65.292575 W
   Headwords:
    Culebra
    Culebra, PR
    Culebra Municipio
    Culebra Municipio, PR