Access to the Havana Pool on the Carnival Vista is strictly regulated to maintain an exclusive, "private island" atmosphere for a specific group of guests. During the daytime (typically from 8:00 AM to 5:00 PM), the pool and its surrounding retreat area are reserved exclusively for passengers staying in Havana-category staterooms and suites. These guests are issued special wristbands and have unique keycard access to the area. This exclusivity is a key selling point for the Havana cabins, which feature Cuban-themed decor and a more tranquil environment away from the main Lido deck crowds. However, there is a notable exception: after 5:00 PM or 7:00 PM (depending on the specific itinerary), the Havana Pool area usually opens up to all guests on the ship aged 12 and older. This allows the wider passenger population to enjoy the sunset views and the specialized bar service in the evening. If you aren't staying in a Havana room, you'll need to wait until the evening "open" hours to take a dip in this particular infinity-style pool.