An oceanfront estate in Southampton, listed at $150 million, stands as the priciest home for sale in the Hamptons — and is struggling to move off the market.The compound, called La Dune, is likely to be used as a summer home and draws from a tiny pool of buyers, probably billionaires, who could afford to foot the bill. Even in the Hamptons, $100-million-plus sales are few and far between.La Dune, named after the sandy dune it sits behind, spans about four acres across two adjacent lots with two homes, two swimming pools and a sunken tennis court.It hasn’t been easy to find a buyer for the sprawling compound, which includes a classic Hamptons-style shingled main residence, originally built more than 100 years ago, and a second home on the adjacent lot, built in the early 2000s.The pair of beachfront homes with two pools and a tennis court in the foreground of the photo are the La Dune estate.Liam Gifkins”This house is the furthest thing from a tear-down, but if the house wasn’t here, this lot alone, each one of them would be worth $50 million,” listing agent …
