When Bommer bought the triplet of properties in late 2014, he paid $94.9 million.
The main house is a single-story 4,500-square-foot five-bedroom estate designed in a refined classical style.
Manicured lawns and a contemporary pool overlook the ocean beyond.
Previously, the most expensive Hamptons sale was for $147 million. That was an 18-acre estate sold to investor Barry Rosenstein.
