I've only gone there using these guys and the trip ran like clockwork: Dry Tortugas National Park | Fort Jefferson Key West Ferry | Yankee Freedom
There's a faster catamaran boat (Sunny Days) that runs there now but I've heard rough seas give it problems and she's down with mechanical issues somewhat frequently.
There's also a float-plane service but I haven't used that option either.
There's a faster catamaran boat (Sunny Days) that runs there now but I've heard rough seas give it problems and she's down with mechanical issues somewhat frequently.
There's also a float-plane service but I haven't used that option either.