Question: What is the name of the 75 mile long string of islands including one that has a city population of 33,275?
Sentence (from "Outer barrier"): The outer barrier extends 75 mi along the South Shore of Long Island, from Rockaway Beach on the New York City/Nassau County border from Long Beach Barrier Islands' western edge, to Suffolk County's east end of Shinnecock Bay.
Relevant evidence: Yes