Miami delivered more rental apartments in 2025 than at any point in its history. And for multifamily developers, the message is clear: Keep building. Despite an avalanche of new supply — more than 10,000 units came to market last year alone — Miami rents haven’t cratered. Apartments are still leasing quickly, and the area was crowned (again) the most competitive rental market in the US,  according to RentCafe . “When a company like Citadel or Amazon or — you pick the company that just moved