Car Rental Place. Very nice page with pictures of all the types of cars they have. Email them to make a reservation.
Another one of the many car rentals on the island. Information on rates and reservations.
Very simple straightforward page about the company with information about rates.
A local car rental company, with reservations online.
Link Ferries have a regular schedule from Anguilla to Sint Maarten, both to Marigot and the airport. They also do charters.
Actual prices may vary a bit when with more people or luggage.