I am starting to plan a vacation to Puerto Rico and have heard that Vieques and Culebra Islands are both wonderful for different reasons. We have never been to PR and are a family of 4 (parents of teenage daughters, 16 and 14). We would be coming in late February-early March for 9 days. I am considering splitting the time on each island, but am undecided. We would like to find a relaxing vacation rental in each spot (2 bedrooms) and would like something quiet, near beaches, convenient (whatever that means locally) to town, etc. Hoping to get information on which parts of the island tend to benefit from trade winds, be safe, etc. Also, does it make sense to split the vacation as I have mentioned? Does it make sense to take a ferry to Culebra and then to Vieques (is that even possible) after flying into San Juan, or is the cost of short flights a huge saver of time and frustration? Finally, would it be wise to rent a car? If so, where is a good place? Thanks in advance for your advice!