Glen Island Park — Summer Season & Concerts

Westchester County park on Long Island Sound with beach, marinas, picnic areas, and the Robison Summer Concert Series (with Kensico Dam). Glen Island's historic Starlight Ballroom hosted big bands in the '30s and '40s; the ballroom is no longer open but the park remains a core summer destination. (Rolling: Memorial Day – Labor Day 2026 — monitor the source for specific dates.)