As a ever busy single mom....
Just sitting in a hotel room where I could have access to lots of good food and drinks would be amazing.
If you don't mind spending a little money.. a Cruise could be a GREAT vacation. I went on one in Jan. A week of entertianment, more food than you can eat, and you don't have to clean a d*** thing. If you just chill out on the vessel and sneak in your own liquor it isn't too bad price wise. However the drinks, sovineers, and tourtisty trips can add up really fast. Take it from someone who spent way to much on her cruise.
Edit: if you go on a cruise, take your open-minded "fun" friends. Going with a very old fashioned grandma who thinks she can tell you what to do even though your in your 30s.. can be a bit taxing at times.