My two friends and I spent a fabulous week at La Tortuga this March (2009). Looking for a fun getaway for 3 single 20-something girls, we opted for La Tortuga thanks to a friends recommendation. We loved it!
The hotel staff was awesome! They made perfect recommendations for restaurants - we didn't have a bad meal - where to go, what to do, etc. They were very attentive be it with taking bags, delivery towels, etc to the room promptly, showering us with welcome drinks, and were just overall friendly. The waiters and bartenders were so nice too!
Two for one happy hour each night from 5-6pm was a treat when most hotel guests would gather at the bar for the hour. It was very low key and relaxing. Definitely a good place for couples - there were lots - but also great if you're just looking for a quiet getaway. 100% recommended!