Chimelong Ocean Kingdom (长隆海洋王国)

Chimelong Ocean Kingdom on Hengqin Island holds seven Guinness World Records, including the world's largest aquarium (48.75 million litres of water) and the world's largest underwater viewing dome. The park houses over 100,000 marine animals including whale sharks, beluga whales, polar bears, and a full dolphin show stadium. Adult tickets are approximately CNY 399 (approx. HKD 430); children under 1.4m pay CNY 299. TripAdvisor reviewers consistently rate it 4.5/5 and call it "better than SeaWorld" with outstanding crowd management. Best for all ages; plan a full 8-10 hour day. Located 20 minutes from the HZMB Hong Kong Port by coach.