Ocean Park, the marine-themed amusement park, lying between Aberdeen and Repulse Bay, is the largest leisure paradise in Southeast Asia, and one of the largest marine parks in the world.
The Ocean Park, ranked 7th in 'The World’s Most Popular Amusement Parks’ by Forbes in June 2006, it also ranked 16th in the TEA/ERA Theme Park Attendance Report 2007, higher than Hong Kong Disneyland. Covering a total area of over 200 acres, the park was built on both sides of the mountain. A cable car system, , as well as the world's second longest outdoor escalator, links the lowland and headland sections and provides spectacular views of Hong Kong and the South China Sea.

The theme park currently has over 14 rides and other attractions such as aquariums. Besides housing two roller coasters, Ocean Park also features a Giant panda exhibit, a jelly fish and shark aquarium, as well as a four-story aquarium displaying more than 2000 fish. The official mascot of Ocean Park is "Whiskers"—a waving sealion.

Besides being an amusement park, Ocean Park Hong Kong also operates observatories, well developed laboratories, an education department and a Whales And Dolphins Fund.

Ocean Park Hong Kong was the first institution in the world to have success in artificial insemination of bottle nose dolphins, and developed numerous new breeds of goldfish.

There are over 40 major attractions in this park.:
Headlands Rides ;
The Dragon - A steel roller coaster with a maximum speed of 77 km/h with 842 metres of track. The ride lasts approximately 2.5 minutes;
The Abyss Turbo Drop - raises the visitors up and drops them straight down in free fall in 5 seconds;
Flying Swing;
Crazy Galleon;
Ferris Wheel;
Headland Games;
Adventure Land;
Mine Train - A steel "mine train" roller coaster with 678 metres of track;
Raging River;
Ocean Park Escalator- At 224 m (745ft), it is the second longest outdoor escalator in the world. It is outdoors, but weatherproof;
Marine Land ;
Pacific Pier - California sea lions and different species of seals are displayed;
Atoll Reef - A four-stories aquarium storing more than 2000 fishes in 250 different species;
Shark Aquarium - Another aquarium exclusively for 70 sharks in 35 species;
Ocean Theatre- Performances by dolphins and sea lions can be watched;
Ocean Park Tower - A sort of observation deck that rises high enough for park-goers to survey the South China Sea;
Sea Jelly Spectacular - An aquarium built to display more than 400 jelly fishes;
Lowland Gardens;
Hong Kong Jockey Club Giant Panda Habitat- Home to four giant pandas, Jia Jia (female) and An An (male) as well as Le Le (male) and Ying Ying (female);
Sky Fair ;
Amazing Amazon;
The Amazing Birds Show ;
Caverns of Darkness 3D;
Cable Car - a gondola lift system that connects the park together;
Grand Prix - a Go Kart ride (extra fee);
Kids' World;
Dolphin University;
Whisker's Theatre;
Rides for Kids ;
Tiny Town Games;
Bird Paradise ;
The Aviaries;
Flamingo Pond.