A secluded corner of an affluent Gulf city is becoming one of the country’s most exclusive places to call home.

STOCK Development, through its division STOCK Residences, has topped out on a five-building luxury condominium complex in Naples, Fla.

Kolter Urban is developing ultra-luxury condos in Naples, Florida. The Olana Naples Residences will feature 12 beachfront units, each over 10,000 square feet and priced over $30 million.

In a notable sale, a newly built waterfront estate in Naples sold for $12.75 million, the highest in the Moorings/Park Shore ...