We just got home from Dreams Tulum - we loved it. Good for couples and families.
The ruins are crazy with bus groups - we went early in the morning, crowds started at about 10. You can take a bike tour from the hotel - we took a 5 min taxi, it has changed a lot since our last visit in 87.
http://www.flugfamily.blogspot.comThis is a blog that my kids and I put together for a school project of our trip.