$18,000,000 - 175-176 Calle RuiseÑor, SAN JUAN

Classic Mediterranean-Style Mansion An imposing Mediterranean-style mansion, conceived under the highest standards of ultra-luxury and located in the exclusive Montehiedra community in San Juan. This residence satisfies the most discerning tastes, combining scale, privacy, and resort-style amenities while integrating the best of countryside and city living. With over 16,000 square feet of construction on nearly two acres, it offers a residential experience without precedent, designed for elevated daily living and large-scale entertaining. Interiors The layout is designed for absolute comfort. The property features five primary suites and thirteen bathrooms; all finished with premium materials. The master suite, spanning approximately 2,200 square feet, serves as a private retreat with its own kitchen, spa-style bathroom with steam shower and jacuzzi, and expansive walk-in closets. Social spaces are articulated with elegance: a double-height living room, a formal dining room for 16 guests, service bar, and both formal and informal salons for distinguished entertaining. The private cinema, with seating for 15, delivers a first-class audiovisual experience. All spaces are enriched with fine mahogany furnishings. Second Level Includes a sound area and a prayer room with full bath and terrace, convertible into an additional bedroom or multipurpose room. Third Level Conceived as a cultural and professional space, with capacity for up to 2,500 books—ideal for a private library, archive, or research study. It also includes an office/library and bathroom, reinforcing its representative character. Exteriors The exterior is a true recreational complex. Two heated saltwater pools—one of 30,000 gallons and another of 20,000—are complemented by jacuzzis, heaters, waterfalls, and slides reminiscent of an aquatic park. Pergolas, terraces, and landscaped areas with farm-style planting zones and fruit trees integrate leisure with domestic production. For wellness and activity, the property offers a 15 x 30 ft gym, dry and steam saunas, basketball and volleyball courts with bleachers for 100 spectators, plus playful features such as an equipped treehouse and dollhouse. Infrastructure & Security The residence includes four garages, an 8,000-gallon water tank, a 100 kW three-phase generator, a full-house sprinkler system, and anti-fungal treatment on all exterior stone. The exterior also offers more than 30,000 square feet of versatile pavement for events, parking, or recreational use, expanding possibilities for grand receptions or private gatherings. Privileged Location Just one minute from Expressway #52, with alternate access via Teodoro Moscoso and Avenida Baldorioty de Castro to Luis Muñoz Marín International Airport. The property is only 10 minutes from Puerto Rico’s Medical Center, steps from Montehiedra Mall Outlet, 15 minutes from Plaza Las Américas, and 25 minutes from The Mall of San Juan, home to ultra-luxury boutiques. Montehiedra is a respected enclave, with 24/7-armed surveillance and amenities including pools, tennis, pickleball, volleyball, and basketball courts, as well as a clubhouse. Unique Opportunity This mansion represents a singular opportunity in Puerto Rico’s luxury market: a home conceived as a private sanctuary and the perfect stage for large-scale entertaining and distinguished representation.