Your itenery sounds perfect. What boat are you chsrtering?
Anegada is a relatively, short and easy sail - one tack. The sail to CGB is much longer, but worth it. I would try for Monkey Point on Guana for lunch and snorkeling and then head off to CGB. I don't think,you will have time for multiple stops unless you are on a big cat or motor sailing, which ain't sailing in my book.
Have a great trip!