You bet Pap. During WWII the Army had gunnery bunkers in the hills in search of enemy German U Boats. I recall visiting some of these back in 1975 with some friends on a day trip to Montauk. On the way back home we stopped in Easthampton and saw JAWS which was just released at the theater.
Side story about JAWS. Famous charter boat Capt in Montauk named Frank Mundus made a name for himself and a career out of hunting big sharks. He was proclaimed as being the character Quint in the movie. There's lots of stuff on the net about Capt Frank.
Mundus has some really big Great Whites to his credit.