Culebra, Puerto Rico, United States [ZonaUrbana]; population was 1,244 in 1990; housing units was 498 in 1990; location is 18°19'N 65°18'W; land area is 0.54 square miles (343 acres); water area is 0.08 square miles (52 acres); FIPS code is 22589 [SourceCBP]