Here's a few that come to mind for me :
family-friendly activities--
1. We had a blast in Studio Sea several nites doing family karoke (sp?), family line dancing, etc. My kids just LOVED this kid-friendly night club. We will miss this greatly when we go on non-
DCL cruises.
2. Pin Trading at Customer service and getting autographs from Dis characters in the lobby each evening. Also be sure to go to the shops and pin trade there as well.
3. We got lucky & had 2 ocean-themed movies at the Buena Vista theater during our cruise-- "Finding Nemo" & "Pirates of the Caribbean" which was "really cool" to quote our kids.
4. Tropical party on deck 10 night of leaving St. Maarten (Eastern cruise) Lots of fun partying, dancing, singing.
5. Getting back to our stateroom at night & ordering milk & cookies from room service. They have great choc. chip cookies! We all sat on the bed and had a wonderfully fun time together talking about the great times we were having and taking pictures of our towel animals.
Adult-friendly activities (for when the kids were at the club/lab)--
1. Wine Tasting. We had a super time at this and I still know almost nothing about wine!
2. Getting some exercise by doing laps on deck 4--helps combat the guilt of all that terrific dining & is kind of fun in the process.
3. Brunch at Palo was the best, tea there was nice but not to die for like the brunch was.
4. Bingo was a bit of fun.
5. DH really liked the bridge tour while we were in port at St. Maarten. DS 9 went on this as well so this could go under family activities as well!
6. Probably one of the most relaxing & enjoyable activities was sitting out on deck 4 in lounge chairs at night and at day, book in hand or DH's hand in my hand. This was truly fabulous & memorable.
I hope this helps and if I think of more, I'll post them later.