A Miami Beach company has purchased 21 units in Downtown Miami’s Marina Blue condominium, Condo Vultures reported. The $5.69 million all-cash purchase was recorded June 23. A company headed by Jorge Mattos, whose business partner Carlos Mattos purchased 31 units at 1060 Brickell in mid-June, purchased 13 two-bedroom units, seven one-bedroom units and a three-bedroom penthouse at Marina Blue. The purchase price works out to $196 per square foot. The seller was Lendco Florida, which made a $30.5 million mezzanine loan to Marina Blue’s developer in February 2008.