Yes, there are multiple parking lots in front of the Pavilion and beach entrances to park.
YES! The Lieberman family has arranged a large bus for transporting those staying in NY from the DoubleTree by Hilton Hotel Nanuet to the venue in Fairfield, CT and back.
We highly recommend a light jacket as the ceremony and cocktail hour will be held outside (weather permitting). A coat room will be available for hanging any coats after.