Chateau Group sold a penthouse in its beachfront Fendi Chateau Residences in Surfside for $18.5 million.

The buyer of the 7,101-square-foot Penthouse 2 was Govinda Capital Corp., managed by Miami attorney Krista DeCastro. It’s not clear who ultimately controls that corporation.

The price equated to $2,605 per square foot. The condo has four bedrooms and 5.5 bathrooms.

Built at 9349 Collins Ave. in 2016, Fendi Chateau Residences has 58 units. Amenities include swimming pools, cabanas, an outdoor…