Construction company and landlord Related Group is adding a third condo tower to its Brickell Heights project in Miami’s financial district. The company plans to construct 515 units on land across the street from the project’s other two towers. A 60-room SLS Hotel (its South Beach location is one of the hottest hotels to hit Miami) is also part of plans for the additional tower. Arquitectonica is designing all three Brickell Heights buildings. The third tower brings the project’s total unit count to 1,215.