It is worthwile taking a few weeks for your stay on Carriacou.
This is an ideal home_base_ for island hopping.
Go over to Union Island with th Jasper postboat. Then visit the TobagoCaysand go north to Saint Vincent or any of the other Grenadines.
Visiting Grenada for some days of rainforrest.
If you are on the islands a bit longer, you will come across manyopportunities totravel to the other islands very cheap.
It does not have to be done by planne, there are more boats then airplanes here...
Once onoard a boat throw out a fishing line, you might catch a nice meal.