Ambergris Caye is actually the bottom of the Yucatan Peninsula.
Want to be a bartender? Bring lots of $$$ and your business plan and stand in line to get a business license and watch several other great minds go out of business in front of you.
As long as your creative business plan doesn't include a beach bar,coffee house,tea shop
"Italian,Mexican,Thai,Rasta,Chinese,Sushi,American,Belizean Restaurant", sports bar, disco, bbq joint,reggae club, multi purpose courtyard, Belikin cool spot, or internet cafe, your business plan might work.......Best of luck from someone has been there and wore out the t-shirt.