Major rainfall occurs from July to November. Check that they will let you take a technical approach to your diving before you book. Grenada is the Home Counties with palm trees. The locals have strong connections with the UK and even seem able to switch into a British regional accent when they want to be understood by you. Many expats have established homes here.
Traffic drives on the left.
Locals enjoy a British legal system and the larger part of British culture. East Caribbean Dollar. No special medical precautions required. There is no recompression chamber.