400 Sunny Isles is a pair of 20-story bayfront towers at 400 Sunny Isles Boulevard in Sunny Isles Beach, developed by Key International. Chad Oppenheim was the design architect and Kobi Karp the project architect, with interiors by Urbanica. Completed in 2015, the towers hold 230 residences, according to Miami-Dade property records: 133 in the East condominium and 97 in the West. The site has about 640 feet of frontage on Biscayne Bay and the Intracoastal. Amenities include a bayfront infinity pool, a spa with sauna, steam room and hot tubs, tennis, a fitness center and a marina with wet and dry slips for boats up to 100 feet.