I rolled into Key West without any clear idea of where I was going to stay. Boyd's was the first place I came across, and I felt no need to look any further. I was initially concerned about crowding here, but Boyd's had multiple waterfront tent sites available on a weeknight in August. I got my pick, and it came with shade trees, a picnic table, and iguanas. Incredible.
This campground's top selling point is its location. If it were anywhere else, I might have grumbled about the price, or the tightness of the campsite, or the proximity to neighbors (they are mere feet away). But, you're in Key West, literally right on the water, and close enough to downtown that you can get there by bicycle (or, in my case, kick scooter). This felt like an amazing bargain, especially when you factor in the excellent bathrooms and the large, clean, temperature-controlled swimming pool. There is also a camp store and a laundry room. Every amenity you could ask for, basically. There was even fast WiFi coverage throughout the whole campground, a first in my experience.
If I ever journey back to the southernmost point in the continental US, I would stay at Boyd's again in a heartbeat. This campground ticks all the boxes.