Bahamas family-of-5 hotels

The Bahamas family market is dominated by two mega-complexes on and near Nassau: Atlantis on Paradise Island and Baha Mar on Cable Beach. Both sell water parks as hard as rooms — and both split into separately-sold sections, so the section you book decides the room you get. Verdicts are for 2 adults + kids 5, 8, 11, from official per-room data.

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Atlantis Paradise Island

22 room types checked on the official site

Atlantis Paradise Island

Paradise Island · Room only

✓ Fits your family

The Royal and The Coral, split by bedding — double-queen rooms list 5 guests, king rooms list 4

Best match: The Royal — Regal Two Bedroom Family Suite — sleeps 9

9 of 22 room types fit your family

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Harborside Resort at Atlantis

6 room types checked on the official site

Harborside Resort at Atlantis

Paradise Island (across the marina from the main Atlantis property) · Room only

✓ Fits your family

Marriott Vacation Club villas with full kitchens — two- and three-bedroom villas sleep 6 to 10

Best match: Three-Bedroom Lockoff Villa — sleeps 10

1 of 6 room types fit your family

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Grand Hyatt Baha Mar

28 room types checked on the official site

Grand Hyatt Baha Mar

Cable Beach, Nassau · Room only

? Confirm with hotel

Cable Beach resort with Baha Bay waterpark included — Family Suite names beds for five, but Hyatt publishes no occupancy figures

Best match: 1 King Bed

0 of 28 room types fit your family

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Bahamas-specific gotchas

Atlantis is not one hotel. The Royal, The Coral, The Beach, The Reef, The Cove and Harborside are separate products with separate listings. A room in one section is not a room in another, and per-room occupancy differs by section.
Fees stack on top of the room. Nassau's big resorts add daily resort fees, VAT and per-person charges that booking listings surface late. A villa with a kitchen can beat two hotel rooms once fees and food are counted — check the dated fee facts on each hotel page.
Day guests share the water park. Aquaventure and Baha Bay sell day access, including to cruise passengers. The slides your kids counted on will be busiest on port days.
Villas change the math. Harborside-style villa units publish occupancies of 8–10 with full kitchens — for a family of 5 they are often the honest one-unit answer instead of two standard rooms.