We stayed one night at this Marriott during a week long vacation in South FL. The stay here actually wasn't planned, but we liked Miami so much, we decided to extend our stay by one night. Unfortunately, since that night happened to be the Saturday right before New Year's, the hotel prices were just outrageous. Luckily, we found this Marriott, and perhaps because it wasn't in South Beach, the rates were much more reasonable.
The first thing we noticed was that the hotel was in direct path of the planes landing at the airport which is in very close proximity to the hotel. However, our fears were quickly calmed when we could barely hear the planes once we were up in our room. We had a very good night's rest and didn't have any problems with any noise, airplanes or otherwise. The suite itself was very nice and spacious - good kitchen, well equipped with everything you'd want if you were staying/cooking there. A nice living space, separated from the bedroom, and a good size counter space by the sink, that was separated from the shower/toilet. Overall we were really pleased with the hotel, and would definitely recommend it.
The only thing that caught us slightly off guard was the laundry prices. It cost $2 to wash and another $2 to dry clothes. Even on South Beach, it was cheaper than that. Not sure why it's so pricey, considering that neither the washers nor dryers are new/high quality.