Sammy--the only thing I would say is that if they are going to rent a car, they should make the arrangements from home, as compared to after they arrive, which I think is what you said. Walking up without a reservation, especially in March, could mean difficulty obtaining a car. They didn't say WHEN in March, but it is high season, so cars will be more difficult to find. And if it happens to be during either Heineken Regatta, or that electronic music festival, those are both VERY busy times on the island. Heineken is March 5 to 8. The electronic festival is March 11 to 15. If you guys are on island during either one of these times, there will be some areas to look out for and either enjoy or avoid. Please post if you will be on island during either one of these times.

Oh, and to echo what Sammy said, Do not leave ANYTHING in your car, at ANY time, at ANY place. Please.