HOW ON EARTH DO YOU MAKE A RESERVATION ?

Good answers everyone

You don't have to have a green key. But it will save you money if you do https://parks.suffolkcountyny.gov/wbwsc/webtrac.wsc/search.html?Module=RN&Display=Graphical&SessionID=478bc0b9fe5888de9eda10f8d2e9faba45b9bfd0b7c40f2a777c1439574b10d6101f1349f46beba658d01415abba1dcc142c77b82ff5c05531401a66a060db5f

First you need a green key, then this is the site for reservations https://parks.suffolkcountyny.gov/wbwsc/webtrac.wsc/SPLASH.html