Spring soirée: Tim Davis and Thomas Davis of the Corcoran Group were among hosts to celebrate their listing at 199 Coopers Neck Lane in Southampton. The three-acre property with nearly 15,000 square feet of living space including 11 bedrooms and 12 baths is for sale by 1stdibs founder Michael Bruno. His Valley Rock Inn catered the March luncheon, which co-host Hamptons Cottages & Gardens so elegantly captured.