It's been a few yeras since you asked this question. The house at 575 Nauset Lt Beach Rd is still there, and still secure. The house next door is currently for sale, at 615 Nauset Light Beach Rd. It's about 50 feet further inland and is quite secure.
Please give me a call so we can discuss this home - a wonderfully updates home with the open Atlantic as its front yard.
Call me at 508-237-9545.