Under the Sea invites kids 14 and under to join the fun, but most of their patrons are no older than 10. Family…More Magazine</em> voted the chain of indoor playgrounds the number one theme party place. While there is an air hockey game, a foosball game and a few video games, most of the play area is made up of bouncers, toy cars, toy houses, etc.</p> <p>On weekends, private parties take over Under the Sea. On weekdays, kids can come in for open play but it's always a good idea to call first, to make sure that no private parties have been booked. Under the Sea does not charge adults for admission, and all children must be supervised.</p>