The S.E.A. Aquarium at Resorts World Sentosa was the world’s largest aquarium when it opened in 2012, holding 45 million litres of water across 50 habitats with over 100,000 marine animals, making it one of the top attractions in Sentosa and a highlight of Sentosa tourism. The Open Ocean tank alone holds 18 million litres and is viewed through one of the world’s largest acrylic panels, featuring reef sharks, manta rays, and hammerheads, making it one of the most immersive places to visit in Sentosa and a key part of Sentosa sightseeing.Next door, Adventure Cove Waterpark offers a Rainbow Reef snorkel experience where visitors swim among thousands of tropical fish, adding to the best things to do in Sentosa for a full day on the island.

What makes this place special

The 36 metre viewing panel at S.E.A. Aquarium looks into an 18 million litre tank where manta rays and hammerheads pass at eye level, making it one of the most impressive things to do in Sentosa and a highlight of Sentosa sightseeing.

A walk through shark habitat at S.E.A. Aquarium with over 200 sharks including hammerheads, sand tigers, and silvertips is one of the largest exhibits of its kind, making it a standout among things to do in Sentosa and a highlight of Sentosa tourism.
Join the discussion with real travelers. Ask questions, share insights, and get the most out of your next adventure.