Mar Del Plata Condominium is an existing 18-story high-rise at 6423 Collins Avenue, Miami Beach, Florida. The building was originally constructed in 1976 with Type I construction. There is no 13th floor. The occupancy of this building, as classified in the Florida Fire Prevention Code, is an existing apartment occupancy with mixed uses. The garage level is parking. Level 1 (lobby) includes lobby, residential, and storage. Level 2 (mezzanine) includes pool deck, residential, and storage. Levels 3 through 18 are residential and storage rooms.

The building is served by two enclosed exit stairways. Elevators are three elevators, including one single shaft and two double shafts. Parking is in the garage.