Open Water Data

Lake Montauk: South Beach

Montauk, New York, United States

  • Enterococcus
    FAIL 10mpn (single) Mon, Mar 9, 2026 at 8:59am
  • Water Quality Status
    Passed tests Tue, Mar 10, 2026 at 6:20pm

South Beach is the southernmost point of the 900-acre Lake Montauk located two miles east of Montauk town. An area commonly used for sailing, kayaking, and paddle boarding, Lake Montauk offers calm waters and a beautiful view of the surrounding residential area. Parking is available at South Beach by permit only, and there are restrooms that are open seasonally (summertime).

The description above was copied from or heavily based on Swim Guide, with permission.

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