The shuttle was $50 round trip. Maruba added the charges to my bill. I was already scheduled on a flight back to BZE from AC so this was the best way to get to Maruba. The boat excursion suggested by bywarren sounds reasonable. My question would also be the luggage factor.
The shuttle took 45 minutes. The shuttle is actual a nice new white Ford Explorer. I had an added treat going to Maruba when the driver asked if he could stop at the Belikin Bottling Plant to pick up beer for the Spa. I might be the only one that has pictures of the bottling line!
I stayed at SunBreeze while in AC. It's very nice - great location and pool, but on the expensive side. If you search this website you have so many great places to choose from based on your priorities (location, pool, dive shop, etc.).
Maruba was enchanting. When you first walk into the open air Lobby, you think you're in another world. They will offer you a welcome drink - ask for the Viper Rum Punch!
Have a terrific time!
Gela's AC Motto: "All Roads Used to Lead to BC's"