An Ohio coal mining executive has sold a pair of ICON South Beach condominiums for nearly $21 million, according to Miami-Dade County records.

Wayne Michael Boich, chairman and CEO of the Boich Group of Cos., on Dec. 31 sold a penthouse and 36th floor unit at the 450 Alton Road condo tower. The buyer is Miami-based Agualuz Corp., according to the deed. State corporate records identify Daniel Calvo as the president of Agualuz.