Lavallette, New Jersey, United States [Borough]; population was 2,299 in 1990; housing units was 3,069 in 1990; location is 39°58'N 74°4'W; land area is 0.80 square miles (512 acres); water area is 0.12 square miles (79 acres); FIPS code is 39390 [SourceCBP]