Join the Ocean Conservancy in their world-wide efforts to clean up beaches and oceans across the planet on International Coastal Cleanup Day happening on Saturday, Sept. 21. From 9 to 11 a.m., head to Iron Pier Beach in Jamesport, and at 1 to 3 p.m. partake in a cleanup at Breakwater Beach in Mattituck. Feel free to bring gloves and beach trash receptacle. This family-friendly event does not require registration.