Thanks for all the responses.

We are renting a Moorings 4000 3 cabin Cat. We booked an Exclusive Plus class because we love the new Leopard 40.

Our trip last week was out of Scrub Island. I liked the proximity to the airport and the smaller marina there. I contacted Dream Yacht Charters to compare to the Moorings, but you actually have to pay a premium for less than 7 days of travel (Sun-Sat fits in better with our schedule).
2 of the boats that we were looking at had watermakers, which seems like a fantastic convenience, but they were significantly more money.

Will look at the other companies. Staying away from the busy Road Harbour marinas would be a plus as a semi-first time charterer.