Luxury Serene Riverfront Retreat – Private Dock, Spa Sanctuary, Open Layout & Event-Ready Grounds. The House on the Rock is a one-of-a-kind luxury retreat on Gulph River Island with sweeping river views. Available as a main house rental or full estate w/ detached carriage house, it’s perfect for family gatherings, wellness escapes, meaningful celebrations. The home features an open floor plan ideal for connection, w/ spacious living areas & many private spaces for rest and retreat. Highlights include a chef’s kitchen, sunroom, spa-style primary suite, game room, & wellness amenities: salt cave, meditation room, sauna, hot tub, and cold plunge stone tub. Outdoors: kayaks, paddleboards, walking trails, tennis court, multiple firepits, a natural waterfall, pond & lush gardens w/ fresh vegetables. Surrounded by a protected salt marsh & bird sanctuary, the setting is alive w/ beauty & wildlife. Onsite goats & chickens add rustic charm. Accommodates events for 150 guests. Sleeps 12.