Indian Island County Park

The Eastern Long Island Hospital Foundation’s 10th annual 5K Family Walk/Run returns to Indian Island County Park with a 9 a.m. start and a kids fun run. Proceeds benefit behavioral health programs at Stony Brook Eastern Long Island Hospital.

The North Fork Environmental Council’s Earth Day 5K Race and Walk takes place at Indian Island County Park. Registration opens at 9 a.m. and the race begins at 10 a.m., with proceeds supporting the 2026 NFEC Scholarship Fund and environmental education programs.