A unique 23-acre East Hampton complex about a mile from Main Street that recently hit the market for $55 million is made up of 11 different parcels, acquired by the current owners after they purchased the original eight-acre property in 2009.

That piece features a Cotswold-style, 18,000-square-foot main house with a stone facade and a finished lower level with a sunken spa, sauna, steam room, massage room, gym and theater. Outside is a heated gunite pool, spa, tennis court, pool house with full kitchen and bedroom.

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Also on the property is a six-bedroom former carriage house with its own heated saltwater pool, which has an underwater music system, and a spa.

A little more than 10 acres of the property is an agricultural reserve, says listing agent Dana Trotter, of Sotheby's International Realty, and there are horse stables with paddocks and riding fields. There are also two additional legal guest cottages and nine building lots.

"For someone who wanted something really special in terms of a family compound or an equestrian facility, I think it offers a lot of different opportunities. To have 23 acres this close to the village with nine buildable lots is pretty unique," Trotter says.

Correction:  An earlier version of this story misidentified Dana Trotter's real estate agency.