The Cross Bay Swim is a challenging open water swim of 5.5 miles across Great South Bay from the Fire Island Lighthouse to Gilbert Park, Brightwaters. This event was first held in 1927, marking 95+ years of tradition and friendly competition. There is a strict limit on the number of swimmers accepted.
We fund the Hospice Care Network Children and Family Bereavement program, and a scholarship at St. Anthony's High School through your charitable fundraising for the event. Each swimmer must raise a minimum of $500. Thank you!
Jul 31, 2026
Distance — 5.5 Miles
Type — —
07:00
$215.00
Jul 31, 2026
Distance — 5.5 Miles
Type — —
07:00
These values represent the 3-year monthly averages for July in Brightwaters.
Brightwaters is an incorporated village located within the southwestern part of the Town of Islip in Suffolk County, on Long Island, in New York, United States. The population was 3,181 at the time of the 2020 census.
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