Free things to do this weekend in and around Long Island

Long Island's Top Picks for FREE family-friendly fun Friday, August 29, 2026 to Sunday, August 31, 2026.

(Scroll down for full, detailed list of free weekend activities.)

• Free summer mini photo session with Shoott! - Long Island - Shoott - Broadway, New York, NY, USA - August 29-30, 2026, see link for times

• Long Island History Hunt - Long Island, New York, USA - August 29-31, 2026, 12:00 am

• Free Movie Night Series at the Intrepid Sea, Air & Space Museum - Intrepid Sea, Air & Space Museum - Pier 86 at Hudson River Park, West 46th Street, New York, NY, USA - Friday, August 28, 2026, doors open at 6:00 pm

• Fall Science Program Open House at Gateway Science Center — By Appointment Only (Grades 6–12) - Gateway Science Center, LLC - 200 Wilson Street, Port Jefferson Station, NY, USA - August 29-30, 2026, by appointment

• Seaside Crafts - The Whaling Museum & Education Center of Cold Spring Harbor - 301 Main Street, Cold Spring Harbor, NY 11724, United States - August 29-30, 2026, 11:00 am - 4:00 pm

• Morgan Park Summer Music Festival - Long Island - Morgan Memorial Park - Germaine Street, Glen Cove, NY 11542, United States - Sunday, August 30, 2026, 7:00 pm

• Southold American Legion Car Show - Southold American Legion Post - Southold, NY - Sunday, August 30, 2026, 10:00 am - 3:00 pm

• Chess A2Z August Webinar with WGM Zoey Tang: Finish Strong - How to Convert Winning Positions - Chess A2Z - 10940 SW Barnes Rd 247, Portland, OR 97225, United States (online webinar) - Saturday, August 29, 2026, 7:00 pm - 8:00 pm PDT