You would think they would enforce the 30 minute rule. Perhaps then people would think twice about putting their towel on a chair early in the morning just to save a chair while they do everything except use the pool area until they're good and ready. One time I noticed two chairs being reserved with towels and a book. I timed it for another 45 minutes and then told a pool attendant about it. He took the towels and books off the chairs.:) About 10 minutes later an elder couple returned to their chairs only to find another person sitting in them. I felt a bit bad about it, but rules apply to all. I told them the pool attendant took their stuff because they were gone over an hour. Maybe more people should do what I did. Reserving lounge chairs is a pet peeve of mine too.