Location 1:
Lagerheads Beach Bar, 1st of it's kind excursions on Hydrobikes. Walk-ups welcome. Hours 9 am - Sunset. Save on other excursions on the island by asking the booth agent. 
Location 2:
Casa Marina Key West, Personal rentals only from the beach side locations. Please go to the booth Barefoot Billy's for rentals and details
Location 3:
The Reach Key West, Personal rentals only from the beach side locations. Please go to the booth Barefoot Billy's for rentals and details
Location 4:
Key West Marriott Beach side, Personal rentals only from the beach side locations. Please go to the booth Barefoot Billy's for rentals and details