You can buy fish along the way.
It's available at the ice house on Mustique, and certainy from the boat vendors almost anywhere.
Banana bread brought to your boat by the vendors is a must-do treat!
A beach BBQ can be done in The Tobago Cays or at Chatham Bay, Union Island.
It's worth stopping at Salt Whistle Bay and hiking up to the town on Mayreau. Visit Richeous Roberts. He's a cool guy!