While the Hamptons are well known for designer boutiques, charity galas, beachy nightclubs, and pristine ocean beaches—not to mention $400 melons and some of the most expensive lobster salad on the planet—there’s also a quieter side to the Long Island enclave: dense stretches of woodland where homes are prized for their seclusion and connection to nature.
Advertising legend Colleen DeCourcy has created one such hideaway. Tucked between East Hampton and Sag Harbor at the…

