There will be many taxis at the cruise ship dock waiting for passengers and it will cost around US$50.00 to come straight to the East end and US$50.00 to go back to town. (If you make other stops then the price will go up accordingly.) If you do use a taxi, make sure you have agreed on the price before you go, and make sure if you need the driver to wait for you.
If you would like to pre-book a taxi so it is waiting for you at the dock, we recommend either: