Ocean Three is a 37-story oceanfront condominium at 18911 Collins Avenue in Sunny Isles Beach, developed by the Related Group and completed in 2003. It holds 215 residences, according to Miami-Dade property records, most of them two-bedroom homes, with a single full-floor penthouse at the top. The building sits on about 300 feet of private oceanfront. Amenities include a three-story lobby, beachfront cabanas, pools, tennis courts and a private rooftop spa.