![Dance lessons on Fathom's Adonia](https://media.shermanstravel.com/cruises/thumb/xlarge/9211_10_-_dance_lessons_adonia-jpg.jpg)
Photo: Dance lessons on Fathom's Adonia / Fathom
10. Look for lessons.
It really pays to keep an eye on the ship's activity roster. Though there may be an extra charge for wine tastings or hands-on cooking classes, you'll likely find a range of free courses, from computer skills and scrapbooking to ballroom dance and group exercise sessions. These are especially great "freebies" to take advantage of on sea days.