The owner is Philadelphia real-estate developer Michael Karp, ... The following year, another Hamptons home rented for $2 million for the summer season. This Water Mill home isn’t much different.

Hamptons Home With a 750 ... The seller of the roughly 12.2-acre property in Water Mill is Philadelphia real-estate developer Michael Karp. ... Mr. Karp listed one of the homes, a 17,000 ...