Ocean House 603PH is a five-bedroom oceanfront penthouse within Mandarin Oriental Residences, Grand Cayman, overlooking the Caribbean Sea at St. James Point.Offering 6,656 square feet of combined living space, including 5,128 square feet of interiors and 1,528 square feet of private terraces, the residence is designed for spacious indoor and outdoor living. Generous living and dining areas open onto oceanfront terraces, while the layout includes five bathrooms, a powder room, a study, a social kitchen and a separate chef's kitchen.Architecture and interiors are by celebrated Parisian firm AW2, with expansive glazing, natural materials and wrap-around terraces making the most of the coastal setting.Owners will enjoy access to the residents' Ocean House Club lounge and adjoining infinity pool, together with preferred access to the planned Mandarin Oriental resort amenities.The 67-acre coastal estate will offer a secluded crescent beach, swimming pools, an oceanfront spa, fitness facilities, restaurants and bars, a beach club and coastal trails.Mandarin Oriental's residential services will include concierge assistance and property management, with housekeeping and in-residence dining available separately. Owners will also receive an invitation to the Residences Elite programme, offering privileges across the brand's international portfolio.Part of the first Mandarin Oriental Residences development in the Caribbean, Ocean House 603PH combines private oceanfront living with the service and amenities of Mandarin Oriental. Completion is anticipated approximately Q4 2028–Q1 2029.