Embattled real-estate agent Oren Alexander and his family are asking as much as $50 million for the waterfront estate on the Sunset Islands.

South Florida’s luxury residential market is benefiting from the post-election boom, particularly in Palm Beach.

The Ronto Group’s latest development replaces Pier 550 with two high-end condo towers. Units start at $4.2 million.

Driven primarily by increased demand for luxury property and characterised by stock shortages, the residential property ...