Atlantis is the landmark on Nassau's skyline, and Aquaventure is the marquee on-island day: the near-vertical Leap of Faith waterslide that fires you through a clear tube inside a shark-filled lagoon, a mile-long river ride, 11 pools, white-sand beach, and The Dig marine habitat with 65,000+ animals. A day pass is the only way a cruise passenger who isn't a hotel guest gets in, and it's a full day of bucket-list water rides on its own.
What to expect
You'll arrive at Atlantis Paradise Island and dive straight into a water-park paradise: start with The Dig's 65,000+ marine animals in the open-air habitat, move through 11 pools at your own pace, then build courage for the Leap of Faith—the near-vertical waterslide that shoots you through a clear tube inside a shark-filled lagoon. Between slide runs and river-ride floats, claim your spot on the white-sand beach; the full circuit of rides and pools easily fills a full day without rushing.
Most lines resell the Atlantis Aquaventure pass at $209-265+, so buying direct on the Atlantis site usually saves ~$20-50 AND lets you pick the exact date. One honest caveat: if your ship offers Atlantis only as a beach-day or aquarium pass (cheaper, ~$110-150) and you don't care about the slides, that ship tier is the better value - match the tier before you assume direct wins. Passes sell out when several ships are in port, so book in advance either way.
Good to know
Book your day pass in advance directly through the Atlantis website (not via ship) to avoid sell-outs on multi-ship days and secure your preferred date at typical prices of ~$190/adult, ~$95/child. Transportation from the Nassau pier and exact entry procedures depend on your ship line, so confirm logistics with your cruise director 24 hours prior. Plan for a 5–6 hour on-property window to experience the marquee slides and lagoon without rushing, and budget 1.5–2 hours before all-aboard for the return journey and security screening. Bring reef-safe sunscreen, a rash guard, and cash or card for food and drinks, which aren't included in the pass.