The aquarium sources its water directly from the Menai Strait, which experiences some of the fastest tidal currents in the UK.
It is the only aquarium in the UK to host a dedicated British Seahorse breeding program.
The facility manages a lobster conservation project that releases thousands of juvenile lobsters back into Welsh waters annually.
The site hosts a unique 'No Bone Zone' exhibit dedicated to cephalopods and other invertebrates.
The aquarium building was originally established as a commercial oyster farm before transitioning to a public attraction.
The collection includes the Lesser Spotted Dogfish, which is native to the surrounding Menai Strait.
The Anglesey Sea Zoo is a conservation-led marine aquarium located on the shores of the Menai Strait. It focuses exclusively on British marine life, featuring species found in the waters surrounding the United Kingdom rather than tropical exotics. The facility operates its own seahorse breeding program and serves as a lobster hatchery for local conservation initiatives. Exhibits are housed within a large, repurposed oyster farm site that utilizes natural seawater from the Strait. Visitors can view habitats ranging from rocky shorelines to deep-water shipwrecks. The site includes a discovery pool for educational tactile experiences. It functions as an active research centre for marine biology and environmental protection.
The outdoor terrace area offering panoramic views of the Menai Strait and the Menai Suspension Bridge in the distance.
Check the daily feeding and talk schedule upon arrival to catch the keeper demonstrations.
Wear comfortable, non-slip footwear as some exterior paths near the shoreline can be damp.
Visit the Rockpool area early in the day when the creatures are generally more active.
Do not tap on the glass of the aquaria, as it causes significant stress to the marine life.
The facility is seasonal and typically remains closed during mid-winter months.
