The honest review
Atlantis is the largest family water park resort in the Caribbean and the closest thing to a standalone theme park that's also a hotel. The Aquaventure water park sprawls over 141 acres with 18 slides (including the Mayan Temple's 60-foot drop through a shark tank — the signature ride), 11 pools, a mile-long lazy river with rapids and wave generators, and a private beach. Water park access is included with every room rate.
The Marine Habitat is the underrated draw. 50,000 sea creatures live in interconnected lagoons and aquariums you can walk through (free for guests), including reef sharks, stingrays, sea turtles, and the only commercially-housed colony of cownose rays you'll see. Kids 6-12 will spend literal hours here.
Dolphin Cay is the paid add-on: interactive dolphin swims and trainer-for-a-day experiences. Pricing is $200-600 per person depending on the experience. It's a controversial product (captive marine mammal programs have valid critics), and we'd note that without endorsing.
Where it loses points: this is NOT all-inclusive, and Atlantis pricing for food is steep. Expect $40-80 per person per meal at sit-down restaurants. Quick-service food is $20-30 per kid per meal. For a family of 4 staying 5 nights, food alone will run $1,200-$2,500 on top of the room. The room rate looks reasonable until you add it all up.
Kids under 5 will struggle. The property is huge — you'll walk 3+ miles a day getting between water park, beach, restaurants, and your hotel tower. The water park rides are mostly height-restricted to 48+ inches. The casino occupies a significant chunk of the central property and unaccompanied minors can't pass through it.
For parents: parent recovery is the weakest score on this list. There's a small adults-only pool but it's never quiet. The spa is good but not exceptional. The casino is the one adult zone, but kids can't be there, so if both parents want to escape simultaneously you need to leave kids in AKA Kids Club ($75/day half-day). Bahamas-side restaurants outside the property (a $30 taxi ride to Nassau) are a better dinner option once or twice in the trip.