Southern State Pky to Exit 42S/Bay Shore Fifth Avenue.  Right onto Fifth Ave., proceed to Main Street, Left onto Main, proceed to Maple Ave., Right onto Maple Ave. Ferry located at 99 Maple Ave., Bayshore, NY. Take the ferry from Bay Shore to Ocean Beach. You can see the ferry schedule here:

  Once in Ocean Beach, proceed up Bayberry to Ocean View, left onto Ocean View.  High Dune is the last house on the right on the right just before Surf Road.