According to miamibeachflhotel.net travel data, there are 55 child-friendly deals to choose from.
Grand Beach Hotel (rating: 8.2/10) is located in Mid-Beach district. It features an outdoor swimming pool, a private swimming pool and concierge service along with a balcony, a trouser press and a work desk in bright, air-conditioned and non-smoking rooms.
Henrosa Hotel rated 8.0/10 is also a good option with a golf course, 24-hour room service and concierge service. You may book a modern, designer and air-conditioned room equipped with flat-screen TV, air conditioning and a safe box for about 254US$ per night.