At home with his latest knockout

Retired welterweight boxer Floyd Mayweather Jr., among the highest-paid athletes in the world, has put a few of his many millions to good use, buying a home in Miami Beach for $7.7 million in an all-cash deal.

Completed in 2015, “Money” Mayweather’s new Florida home has an ultramodern vibe, with clean lines, vaulted interiors and ipe wood siding. Walls of floor-toceiling windows bring views of the Intracoastal Waterway inside.

Indoors, some 5,200 square feet of open-plan space features a glass-and-steel floating staircase, formal living and dining rooms, five bedrooms and five bathrooms. White lacquer countertops and cabinets highlight the chef’s kitchen.

Ipe privacy walls surround the perimeter of the property, which includes a zero-edge swimming pool and spa, a deck and a private dock. A rooftop patio with an outdoor kitchen completes the waterfront setting.

The property was most recently listed for $8.49 million, property records show.

Raymond Bolduc of One Sotheby’s International Realty was the listing agent. Castelli Real Estate Services represented Mayweather in the sale.

Mayweather, 39, announced his retirement in September after defeating Andre Berto, to bring his career record to 49-0. One of boxing’s biggest draws over the last decade, he has banked an estimated $700 million over the course of his career.

He owns other property in Las Vegas and the Miami area.

neal.leitereg@latimes.com