A bold expression of Costa Rican elegance and global design influence, this $30 million St. Regis residence is redefining tropical architecture.
Tucked into the cliffs of the Gulf of Papagayo, Astor Mansion isn’t just the most expensive home ever listed in Costa Rica—it’s a statement in design. Conceived as the crown jewel of the Residences at The St. Regis Papagayo Resort, this four-story, 21,161-square-foot architectural marvel does more than just command breathtaking 270-degree ocean views. It artfully merges refined international luxury with the organic warmth of Costa Rican style, creating a seamless blend of natural materials, light, and layered spaces that blur the line between home and landscape.
A Four-Level Experience in Design
Astor Mansion unfolds across four levels, each one a curated experience in both form and function. From the moment you step inside, you’re greeted by a vast spatial openness defined by full-height glass walls and natural stone. These elements ground the mansion in its lush tropical setting while allowing uninterrupted ocean vistas from nearly every corner.
The home’s base level is a flexible wellness haven, designed to adapt to the owner’s lifestyle. Whether it’s a private spa, a cinema lounge, or a state-of-the-art golf simulator, this floor provides a blank canvas for personalization. It’s this adaptability that signals the mansion’s design ethos: luxury isn’t static—it should move with you.
Fluid Living Spaces and Thoughtful Flow
The second and third levels form the heart of the residence. The main living areas are defined by understated grandeur—spacious yet intimate, sophisticated yet relaxed. Architectural lines are clean and modern, softened by rich textures of teakwood and hand-cut volcanic stone. A floating staircase, sculptural in its design, connects the floors, while subtle lighting tucked into recesses enhances the home’s natural curves and shadows.
Each bedroom—particularly those on the third floor—is positioned to maximize privacy and take full advantage of the home’s elevated vantage point. Floor-to-ceiling sliding glass doors open onto sweeping terraces, allowing the outdoors to become part of the interior experience. Natural ventilation and passive cooling are incorporated throughout, reinforcing the home’s commitment to sustainability and comfort without sacrificing aesthetics.
The Pinnacle: A Rooftop Paradise
The fourth floor is where the Astor Mansion truly earns its status. This open-air rooftop terrace houses a sleek infinity-edge pool, an outdoor kitchen equipped for world-class entertaining, and ample lounge space framed by native greenery. It’s an architectural embrace of Costa Rica’s climate—warm, breezy, and full of possibility. Here, sunset views are front-row events, and mornings begin with light cascading across the pool deck.
Materials That Speak
Throughout the mansion, carefully sourced materials elevate the narrative. Locally harvested fine hardwoods offer warmth underfoot, while polished concrete and Italian marble bring a contemporary, gallery-like crispness to the bathrooms and kitchen. Artisan-crafted furniture and lighting fixtures complete the atmosphere—custom-designed or selected from top international design houses.
The interior palette plays with nature’s tones: soft sands, sun-bleached driftwood, rainforest greens, and ocean blues. Each room is a tribute to place, subtly invoking Costa Rica’s landscapes while maintaining the refined polish expected of a St. Regis property.
Integrated Luxury
Of course, Astor Mansion is more than a private residence—it’s an extension of the five-star lifestyle curated by St. Regis. With exclusive access to world-class amenities like the Volcano Club, the Beach Club and Grill, and a private spa, the property offers hotel-level indulgence with the intimacy of a personal sanctuary.
Each element—down to the wine cellar and the guest casita—has been considered, crafted, and placed with intention. This is not a home that was simply built; it was composed.
At $30 million, Astor Mansion isn’t just Costa Rica’s most valuable property—it’s one of the most thoughtfully designed, where architecture, interior design, and nature unite in perfect harmony. For those who value privacy, design, and a connection to the landscape, this mansion isn’t just a dream home—it’s a new standard.
