Which Disney destination is exclusively for adults?

Disney's Castaway Cay is specially designed to provide an exclusive experience for adults while still being family-friendly. This private island in the Bahamas is part of the Disney Cruise Line experience and features areas that cater specifically to adults, such as a serene beach environment and amenities like a spa and bar, helping to create a relaxing getaway.

In contrast, while options like Aulani, Disneyland Park, and Beach Club Resort welcome guests of all ages and have family-centric amenities, they do not offer an exclusive adult-only experience. Aulani emphasizes family vacations in a Hawaiian setting, Disneyland Park is a world-renowned family theme park, and Beach Club Resort is geared towards family accommodations, making them less suited for adults looking for a dedicated space to unwind free from family distractions. Castaway Cay stands out for its ability to cater to adults looking for leisure and relaxation on their cruise vacations.