ONE Hamptons ONE Montauk Highway - ONE Location covers - ALL The Hamptons · Busiest intersection in the Hamptons · Corner of Two Highways · Montauk Highway(RT#27) & Sunrise Highway(Rt #39A) · 14,920 sq ft - 80 parking stalls · Curb cuts in and out on both major highways · Hard Corner w/ light · Fully Approved - New Construction · Gateway to Southampton, East Hampton, Bridgehampton, Watermill, Quogue and Montauk