In the 1960s and 1970s, more families started to move to Shelter Island as year-round residents. The Gerard family owned the property at Sachem’s Neck that had belonged to the Nicoll family for more than 200 years, and later to financier Otto Kahn. Developers eyed the . The land was purchased in January 1980 by the Nature Conservancy to preserve it as a nature park in perpetuity; half of the funds to buy the forest were raised on the island to create Mashomack Preserve.