We are a couple in our early 40s with a 12 year old. Sailed over Spring break, despite this, did not find that many younger kids and teens on board compared with other holidays we have sailed. Was first time on Princess and found it "not bad" but not as suitable for us as other lines.
The ship was in surprisingly good condition for its age but found it kind of dirty - as in lots of fingerprints in public areas, used cups rolling around the pool area.
Sailing out of San Juan was great. Weather was absolutely terrific.