I will do a full breakdown of our Exuma DIY trip on our return. Right now the only firm cost I have is hotel accomodation at the Seven Sisters at Palm = $100 per night. Guides look approx $200-$250.
For those who want to go giuideless, rent boats etc., I'll check this out whilst there plus info on locations where you won't run into a guide with clients. That does tend to get them upset!