Tucked alongside the intersection of Sunrise Highway and the Robert Moses Causeway in West Islip, Anthony Casamento Park is the the home of a number of athletic fields, a swimming pool and a small playground.
The playground at Hank Zebowski Memorial Field in Montauk is a fun (and free) spot to stop and expend a little energy with kids after a long trip out east.
Tanner Park in Copiague is a large complex with many athletic fields, a beach with a sprayground, a skate park, and a playground that's a climber's paradise.
Flight 800 Memorial Park in Center Moriches, dedicated to the people who lost their lives in the 1996 air disaster just off the coast of Moriches Bay, lies just off Montauk Highway on the shore of Kaler's Pond.
Byron Lake Park in Oakdale is the home of two swimming pools, one of which features a tall water slide. There is also a large picnic area and a small playground.
Otsego Park is a sprawling athletic complex with multiple baseball fields, tennis and basketball courts, a firemans memorial park and a nice playground.