There are taxis waiting at every airport and outside all of the main hotels and cruise-ship docks. Beware of "hackers"—drivers who don't display their license (and may not have one). Sometimes you can negotiate a fare, but you must do so before you enter the taxi.
You’ll find that Bahamian taxi drivers are more talkative than their U.S. counterparts. When you take a taxi to dinner or to town, it's common for the driver to wait and take you back, which doesn't cost more. A 15% tip is suggested.