South Florida Boat Rentals Lauderdale-by-the-Sea - The southern half of Lauderdale-by-the-Sea is situated between Fort Lauderdale and the Village of Sea Ranch Lakes, Florida. The Town's northern municipal neighbor is Pompano Beach. The entire town is located on a long, narrow barrier island separated from the mainland by the Intracoastal Waterway (spanned by one drawbridge at Commercial Boulevard), stretching approximately one-half dozen blocks to the Atlantic Ocean.