When staying at the The Isles of Cay Commons you will have access to the Vista Cay: Harbor Square which offers the following amenities below which is all part of the clubhouse which is 10,000 Square Foot in space:

Jacuzzi
Kid's Pool
Fitness Center
Game Room with Video Games
Movie Theatre
Private Meeting Rooms
Billiards
Card Tables
Aquatic Area
Nature Walking Trails with Biking Access
Tennis, Basketball, etc
Children’s play area
Internet Access with Wi-Fi
Concierge Desk

When you are at the Isles of Cay or at Vista Cays you will have more than one thing to do with your family such as relaxing, playing sports, watching movies on wide screen, going on walking trails, and getting away into a nice exotic resort type island.