A palatial waterfront estate on Key Biscayne is hitting the market at $29.5 million, and it comes with serious boating credentials.
Set on a 32,300-square-foot lot, the property delivers 346 feet of water frontage with direct ocean access — a prime setup for the yacht set. The seller is Raúl Rocha Cantú, Mexican businessman, philanthropist, and co-owner of Miss Universe.
Behind gates and lush landscaping, the residence pairs Mediterranean lines with contemporary finishes. Think marble and Brazilian hardwoods, walls of floor-to-ceiling glass, and a suite of resort-style amenities designed for entertaining at scale.
And if one waterfront estate isn’t enough, or future if owners would like to expand the property, the adjacent residence is also available, offering an additional 250 feet of frontage and 23,724 square feet of land — opening the door to a rare, double-lot compound on one of the island’s most prestigious addresses.
Home specs and features
- Location: Key Biscayne, Florida
- Price: $29,500,000
- Beds/baths: 9 bedrooms, 10 bathrooms
- Living space: 16,076 sq. ft. (10,964 sq. ft. interior)
- Lot size: 32,300 sq. ft. (0.74 acres)
- Waterfront: 346 ft on Biscayne Bay/Pines Canal; direct ocean access
- Listing agents: Carlos Coto & Claudine Coto, The Coto Group at ONE Sotheby’s International Realty
Tucked away on one of Florida’s most exclusive barrier islands
A gated approach gives the Key Biscayne estate a private, tucked-away feel on one of Florida’s most exclusive barrier islands. Mature palms, manicured hedges, and long waterfront sightlines set the tone before you even reach the front door.
Palatial interiors with a bright, elegant flow
Inside, contemporary finishes meet timeless elegance, with a light coastal color palette softening the home’s grandiose features. Walls of windows flood the spaces in natural light, with water views punctuating the bright design like artwork.
A salon built for the view
Inside, a voluminous salon rises to double-height windows that frame Biscayne Bay and the Pines Canal. Marble and stone finishes keep things crisp and bright, with sunlight carrying deep into the interior.
Library, office, and executive wing
Work and reading get their own domain: a wood-forward library and a separate executive office provide quiet zones away from the main living spaces — ideal for calls, writing, or deal-making.
Entertainment suite: theater and bar
A home theater (complete with a fireplace) anchors the entertainment wing, joined by a classy, wood-clad bar that’s ready for pre-screening cocktails or late-night wind-downs.
Primary suite with terrace access
The primary suite is bright and breezy, lined with French doors that open to a water-facing terrace. In the bath: a glass walk-in shower and soaking tub play against sleek stone and warm wood.
Guest capacity for a crowd
With nine bedrooms and up to ten baths, the home is dialed for extended stays. Family and friends spread out across multiple wings without stepping on each other’s schedules.
Private spa with sauna
Wellness lives on-site: a spa with sauna adds recovery to the routine, so you can go from a bay-front run to a heat session without leaving home.
Indoor-outdoor living, Miami-style
With an easy transition between interior lounges and covered terraces, spaces lead to the outdoor spaces — that include a sparkling pool, gazebo, and broad waterfront patios create a circuit for day-to-night hosting.
The mansion has a Yacht-ready waterfront
With 346 feet of frontage and direct ocean access, the property is set up for serious boating. Dockage supports larger vessels, and open water is minutes away — no bridges to slow the exit.
Double-lot opportunity
If future owners want to go big, the adjacent residence is also for sale, adding ~250 more feet of frontage and another 23,724 sq. ft. of land. Both properties can be combined for a rare Key Biscayne mega-compound with panoramic bay exposure.
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