At all airports in the Dominican Republic you can freely catch a cab to your area hotel once you exit the airport  customs area. Taxi rates are posted on billboards just outside of customs. Keep in mind that some Hotels and resorts are a long distance from some airports. Take care in selecting your airport for arrival/departure based on your resort location.

All the major Car Rental and some local companies are found at the various airports in the Dominican Republic. Walk ups are accepted and internet reservations are recommended. Be sure to note the Insurance requirements in the Dominican Republic and take "full" insurance.