Check out Teddy Roosevelt's home with museum, nature trails, beach, and visitors center.
Beach on Oyster Bay overlooking they bay, boats, and Centre Island.
Jones Beach will be your closest ocean beach. In no traffic it should be about 25 minutes but with long island summer traffic could be 45 so be sure to check your GPS.
Lido beach is the next closest and a bit nicer than Jones Beach. 30 min in no traffic be sure to check your GPS.