was a proposed aquarium in the Silvertown Quays redevelopment, on the site of Millennium Mills adjacent to the Royal Victoria Dock, part of the wider Thames Gateway regeneration project for East London.

[3] The £80 million building by Terry Farrell & Partners architects[4] was given outline planning permission in March 2005 and was initially expected to be completed in 2008,[5] but the project was cancelled in 2009.

The design for the aquarium incorporated four biomes, each representing an entire ecosystem including trees, other plants, invertebrates, amphibians, reptiles, mammals and birds as well as fish.

In June 2008, Building magazine announced that the aquarium was "under review because of the credit crunch", citing the global financial crisis as the reason for the lack of progress on the project.

would have formed one of the main public attractions of the 60-acre (24 ha), £1.5 billion development, along with Silvertown Venture Xtreme, an extreme sports and surf centre.