Most cruise lines make a special point of providing supervised activities for youngsters, especially during school holidays. You'll find the kids adapt to shipboard life with ease, and you won't have to wonder what they're up to every minute. The cruise staff will help keep them busy and entertained. Best of all, children generally travel at a substantially reduced rate. At night, a cruise ship really comes alive.
Most ships even have casinos.
There are also many special events like the Captain's cocktail party, passenger talent night, the Las Vegas style show, magic acts, and the late night buffet. On a cruise, the entertainment is included . There's no cover, no minimum, no charge for admission. When you board your ship you will be asked to activate your account, this is like running a tab during your cruise and all expenses will be charged to your room. At the end of the cruise, the credit card you used to activate your account will be billed for the amount you charged while on the ship.