Hi Cindy,
Thank you so much for visiting the Disney Parks Moms Panel with your question. We on panel love helping guests to plan magical vacations. You are looking at two fantastic resorts!
Disney's Caribbean Beach Resort is tropical and lush.
Disney's Art of Animation Resort is whimsical and fun. For your group, I am going to suggest Disney's Art of Animation Resort. Let me explain why.
First, at Disney's Art of Animation Resort, I suggest that you get a family suite. The family suite will gain you extended space over a typical resort hotel room, including a living area and a second bathroom! While five of you could fit in a room at Disney's Caribbean Beach Resort, I think you will find that you appreciate the extra space in a family suite at Disney's Art of Animation Resort.
You also mention that your children love to swim. The Big Blue Pool at Disney's Art of Animation Resort is amazing! It is the biggest pool at a Walt Disney World resort, and it features underwater speakers and a fun nearby water play area. This resort also features the Cozy Cone Pool, themed to Cars, and the Flippin' Fins pool with a theme from The Little Mermaid. These pools are extremely fun!
I hope that these thoughts help with your decision, Cindy. Have a wonderful time planning your vacation, and please do let us know if you have any further questions as you plan!