Anglesey Sea Zoo: Wales' Premier Aquarium and Marine Conservation Hub
Discover native British marine life and conservation efforts at Wales' largest aquarium, a family-friendly hub with interactive exhibits and fun activities.
Anglesey Sea Zoo, located in Brynsiencyn near Llanfairpwll, is Wales' largest aquarium showcasing over 40 tanks of native British marine life, including octopus, lobsters, seahorses, and jellyfish. It offers interactive exhibits, daily talks, a children’s play area, mini-golf, and a café, making it a family-friendly destination focused on marine conservation and education. Open daily from 10:00 to 16:45, tickets are valid for 6 days, providing excellent value for visitors.
A brief summary to Anglesey Sea Zoo
- Llanfairpwll, Brynsiencyn, LL61 6TQ, GB
- +441248430411
- Visit website
- Duration: 1 to 2 hours
- Mid ranged
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Indoor
- Mobile reception: 4 out of 5
- Monday 10 am-4:45 pm
- Tuesday 10 am-4:45 pm
- Wednesday 10 am-4:45 pm
- Thursday 10 am-4:45 pm
- Friday 10 am-4:45 pm
- Saturday 10 am-4:45 pm
- Sunday 10 am-4:45 pm
Local tips
- Visit during weekday mornings to avoid crowds and enjoy a more relaxed experience.
- Tickets are valid for six days after purchase, allowing flexible return visits.
- Children under 3 enter free, and carers with proof also get free admission.
- Don’t miss the shark feeding session around 13:30 for an exciting highlight.
- Combine your visit with a walk on Anglesey’s Coastal Path nearby for a scenic outing.
For the on-the-go comforts that matter to you
- Restrooms
- Drink Options
- Food Options
- Seating Areas
- Trash Bins
- Information Boards
Getting There
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Car
Driving from central Anglesey or Bangor takes approximately 20 to 30 minutes. Free parking is available on-site. Note that roads near the aquarium are rural and may be narrow in places.
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Bus
The No. 42 bus service runs between Bangor and Llangefni via Newborough, stopping at Brynsiencyn village about 20 minutes’ walk from the aquarium. Service frequency is moderate; plan accordingly and wear comfortable shoes for the walk.
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Train and Bus Combination
The nearest train stations are Bangor and Llanfairpwll (request stop). From Llanfairpwll, take bus No. 42 to Brynsiencyn, then walk 20 minutes to the Sea Zoo. This option requires careful coordination of train and bus schedules.
Anglesey Sea Zoo location weather suitability
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Any Weather
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Rain / Wet Weather
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Mild Temperatures
Discover more about Anglesey Sea Zoo
A Window into British Marine Life
Anglesey Sea Zoo is a unique aquarium dedicated to showcasing the rich diversity of marine species found around the coasts of Wales and the UK. Visitors can explore more than 40 tanks featuring fascinating creatures such as octopus, lobsters, seahorses, conger eels, and hypnotic moon jellyfish. The aquarium’s centerpiece includes a shipwreck-themed exhibit brimming with conger eels and a large shark pool where visitors can walk on grids above the water, offering an immersive experience. The displays emphasize local marine habitats and species, providing an educational journey into the underwater world.Conservation and Research at the Core
Beyond being a visitor attraction, Anglesey Sea Zoo is deeply involved in marine conservation and research. It operates several breeding and nursery programs, including a lobster hatchery and a seahorse nursery, aimed at preserving vulnerable species and supporting sustainable marine populations. These initiatives highlight the zoo’s commitment to protecting British marine ecosystems, making it a vital center for conservation awareness and scientific study.Family-Friendly Facilities and Activities
The Sea Zoo offers a variety of amenities and activities designed to engage families and children. Alongside the aquarium exhibits, there is a well-equipped children’s play area, a massive octojump bouncy castle, and Captain Jake’s crazy golf course, ensuring fun beyond the tanks. The Rockpool Café serves a selection of meals and snacks, while the gift shop offers marine-themed souvenirs. The layout is compact enough for a visit lasting about an hour to an hour and a half, making it suitable for shorter family outings or as part of a larger day trip.Practical Visiting Information
The aquarium is open daily from 10:00 to 16:45 throughout the year, with seasonal variations primarily from February half term to late October. Tickets are priced reasonably, with adults around £12 and children £10.50, and children under 3 enter free. A notable benefit is that tickets remain valid for six days after purchase, allowing flexible return visits. Carers with appropriate proof also receive free entry. The site provides free parking, and while public transport access requires a 20-minute walk from the nearest bus stop in Brynsiencyn, the aquarium is well signposted from main roads.Atmosphere and Visitor Experience
Visitors often describe the Sea Zoo as an engaging and educational experience, particularly appealing on rainy days or for those interested in British marine life. The corridors can be narrow, so visiting during quieter times, such as weekday mornings, is recommended for a more relaxed experience. Daily interactive talks and feeding sessions, especially the shark feed, add dynamic elements to the visit. The combination of conservation focus, interactive exhibits, and family-friendly facilities creates a lively yet informative atmosphere.Recognition and Community Role
Anglesey Sea Zoo has received regional awards recognizing its contribution to tourism and conservation. It serves as an educational resource for schools and groups, offering guided tours and educational visits. Its location on Anglesey’s Coastal Path also makes it a natural stop for walkers exploring the scenic shoreline. The Sea Zoo’s blend of scientific research, public engagement, and entertainment underscores its significance as a cultural and environmental landmark in North Wales.Iconic landmarks you can’t miss
Caer Leb (Prehistoric Castle Enclosure)
2.1 km
Explore Caer Leb, a prehistoric fortified enclosure with water-filled ditches that reveal ancient defensive ingenuity on scenic Anglesey.
Bryn Gwyn Standing Stones
2.1 km
Discover the towering Neolithic Bryn Gwyn Standing Stones, ancient sentinels of Anglesey’s prehistoric past and ritual heritage.
South African War Memorial
2.4 km
A wheel-headed Celtic cross honouring 173 Caernarfonshire soldiers lost in the Boer War, unveiled in 1904.
CARN / Oriel Pendeitsh
2.7 km
Discover contemporary Welsh art and culture in Caernarfon’s inspiring Oriel Pendeitsh gallery, a vibrant creative hub above the Tourist Information Centre.
Caernarfon War Memorial
2.7 km
A dignified stone pillar in Castle Square honoring Caernarfon’s fallen heroes from the World Wars and beyond.
Pont Yr Aber
2.8 km
A scenic swing bridge linking Caernarfon Castle with woodland paths, offering iconic views and a touch of maritime theatre as boats pass beneath.
Caernarfon Tower
3.0 km
Explore Caernarfon Tower, a medieval fortress sentinel offering breathtaking views and rich Welsh history in a UNESCO World Heritage setting.
Hen Eglwys Llanfihangel Ysgeifiog
8.0 km
Explore the evocative ruins of Hen Eglwys Llanfihangel Ysgeifiog, a medieval Welsh church steeped in history and nestled in tranquil Anglesey countryside.
Tafarn Snowdonia Parc
8.2 km
Discover the heart of Welsh culture at Tafarn Snowdonia Parc, where delicious food meets stunning natural beauty in Snowdonia National Park.
Cadair y Cythraul
8.8 km
Discover the mysterious 'Chair of the Devil' in Llanfairpwllgwyngyll, a historic landmark steeped in Welsh myth and ancient landscape charm.
Porth y Clochydd
9.2 km
Explore the historical landmark of Porth y Clochydd in Llanfairpwllgwyngyll, a captivating site steeped in rich Welsh heritage and scenic beauty.
Celtic cross
9.3 km
A serene Celtic Cross memorial honoring Welsh poet Syr John Morris-Jones, set beside historic St. Mary's Church with stunning Menai Strait views.
Ynys yr Eglwys
9.8 km
Discover the serene charm and rich heritage of Ynys yr Eglwys, a peaceful island gem beside the iconic Menai Suspension Bridge.
Tŷ-Gwyn Menhir
11.4 km
Discover the ancient Tŷ-Gwyn Menhir near Menai Bridge, a prehistoric standing stone steeped in druidic mystery and Welsh heritage.
Glan-y-môr
13.2 km
Explore Glan-y-môr, a historical landmark in Menai Bridge, where rich heritage meets stunning natural beauty for an unforgettable experience.
Unmissable attractions to see
Halen Môn - Anglesey Sea Salt Company
0.1 km
Discover the world’s finest Welsh sea salt and immersive coastal experiences at Halen Môn on the Isle of Anglesey.
Foel Farm Park
0.6 km
Discover a charming working farm with animal encounters, scenic views, and family fun on the beautiful Isle of Anglesey.
Castell Bryn Gwyn
2.1 km
Explore Castell Bryn Gwyn, a peaceful Neolithic enclosure on Anglesey with millennia of history etched into its ancient earthworks.
The Fun Centre
2.3 km
North Wales's largest indoor adventure play centre, blending historic charm with thrilling slides, mazes, and safe toddler zones for family fun all year round.
Bath Tower
2.5 km
Sleep in a 13th-century tower within Caernarfon's castle walls—where medieval history meets modern comfort.
Town walls in caenarfon
2.5 km
Discover the historical significance and stunning views of the Caernarfon Town Walls, a must-visit landmark in Wales.
Caernarfon Castle Walls
2.6 km
Walk the nearly complete medieval walls of Caernarfon, a fortress town’s historic shield with panoramic views and rich Welsh heritage.
Caernarfon Waterfront
2.6 km
Historic Caernarfon Waterfront: Where medieval heritage meets vibrant maritime charm on the Menai Strait.
Historic Tours Wales
2.6 km
Explore Caernarfon’s rich history with passionate local guides on immersive walking tours that reveal hidden stories beyond the castle walls.
Hanging Tower
2.6 km
A haunting medieval tower in Caernarfon where justice was once served by execution, steeped in history and ghostly legend.
Caernarfon Walks - Guided Tours
2.7 km
Discover Caernarfon’s rich history and hidden stories on expert-led walking tours through its medieval streets and iconic castle walls.
Sir Hugh Owen
2.7 km
Celebrate the legacy of Sir Hugh Owen, a pioneer of Welsh education, with his statue in the historic heart of Caernarfon’s Castle Square.
Royal Welch Fusiliers Museum
2.7 km
Explore centuries of Welsh military history within the majestic towers of Caernarfon Castle, a UNESCO World Heritage Site.
Caernarfon Castle
2.7 km
Discover the grandeur of Caernarfon Castle, a UNESCO World Heritage Site rich in history and stunning medieval architecture, perfect for your Welsh getaway.
Big Wheel, Caernarfon Castle
2.8 km
Experience breathtaking panoramic views from the Big Wheel beside historic Caernarfon Castle, blending medieval heritage with modern leisure.
Essential places to dine
SeaView Indian Restaurant
2.2 km
Authentic Indian flavors by Caernarfon harbour, blending culinary excellence with a serene waterfront setting.
Fu's
2.2 km
Authentic Cantonese dining with family-friendly warmth in Caernarfon's scenic marina setting.
Harbour Table Table
2.2 km
Family-friendly British pub and restaurant overlooking Caernarfon’s Victoria Dock, offering hearty meals and scenic views of the Menai Strait.
Galeri Café Bar
2.3 km
Enjoy fresh local flavors and stunning waterfront views at Galeri Café Bar, Caernarfon’s cozy hub for breakfast and casual dining.
Black Boy Inn Four & Six Restaurant & Bar
2.5 km
Discover authentic Welsh cuisine at Black Boy Inn Four & Six Restaurant & Bar in Caernarfon, where tradition meets modern dining.
Tafarn Y Porth - JD Wetherspoon
2.6 km
A lively, historic pub in central Caernarfon offering great value meals, local ales, and a welcoming atmosphere near the town’s ancient East Gate.
Sheeps and Leeks
2.6 km
An intimate fine dining experience in Caernarfon celebrating Welsh produce through expertly crafted tasting menus in a cozy historic setting.
Wal Restaurant
2.6 km
Experience the warm hospitality and diverse flavors of Welsh, British, and Italian cuisine at Wal Restaurant in the heart of Caernarfon.
Tân Woodfired Pizza
2.6 km
Savor authentic wood-fired pizzas in a cozy Caernarfon setting, blending traditional flavors with local charm every evening.
Lizzy's Caernarfon
2.6 km
A cozy, woman-owned café near Caernarfon Castle serving fresh, home-cooked British dishes with warm Welsh hospitality.
Four Alls
2.6 km
Historic charm meets delicious fare at The Four Alls, Caernarfon’s beloved pub and restaurant for great food, drinks, and community spirit.
Caernarfon Tandoori Restaurants
2.6 km
Authentic Indian flavors and tandoori specialties served in a spacious, friendly setting in the heart of Caernarfon.
Ouzo & Olive
2.6 km
Discover authentic Greek tapas and warm hospitality in the historic heart of Caernarfon at Ouzo & Olive.
The Market Hall Brew Pub
2.6 km
Discover the essence of Welsh hospitality at The Market Hall Brew Pub in Caernarfon – where local brews meet delicious bites.
Osteria
2.7 km
Experience authentic Tuscan cuisine in a cozy, welcoming Italian restaurant nestled in the heart of Caernarfon.
Markets, malls and hidden boutiques
Lwsi
2.6 km
Discover unique sustainable fashion treasures in Caernarfon’s charming secondhand boutique nestled within medieval town walls.
Mirsi
2.6 km
Discover stylish, affordable women's fashion in the heart of historic Caernarfon at Mirsi Boutique on High Street.
Slate and Things
2.6 km
Discover authentic Welsh slate crafts and unique souvenirs in the heart of historic Caernarfon at Slate and Things.
Lotti & Wren
2.6 km
Discover unique independent design treasures and handcrafted gifts in the heart of historic Caernarfon at Lotti & Wren.
YLP Fabric & Wool Shop
2.6 km
Discover Caernarfon’s premier fabric and wool shop, a creative hub for knitters, quilters, and embroidery lovers alike.
Siop iard Caernarfon
2.6 km
Discover handcrafted Welsh jewellery and crafts at Siop Iard Caernarfon, a unique boutique celebrating local artistry and heritage.
Siop Siafins
2.6 km
A charming gift shop in Caernarfon offering authentic Welsh crafts, souvenirs, and locally made treasures in the heart of historic North Wales.
Tin of Sea
2.6 km
Discover unique home décor, gifts, and furnishings blending historic charm with modern style in Caernarfon’s Tin of Sea.
Hootons Homegrown Farm Shop.+ Farmer Hooton's Tatws Poeth Hot Potatoes
2.7 km
Experience fresh, homegrown produce and traditional Welsh hot potatoes at Hootons Homegrown Farm Shop in the heart of Anglesey’s countryside.
Siop Y Ddraig
2.7 km
Discover authentic Welsh gifts and souvenirs in a charming shop steeped in local culture at Caernarfon’s Siop Y Ddraig.
Craftcentre Cymru
2.7 km
Discover authentic Welsh handmade crafts and unique gifts in the heart of historic Caernarfon, opposite the iconic castle.
Peacocks
2.7 km
Affordable fashion for men, women, and children in Caernarfon’s Caolfan shopping center.
Na Nôg
2.7 km
Discover authentic Welsh culture through music, crafts, and unique gifts at Na Nôg, Caernarfon’s beloved boutique in Castle Square.
The Original Factory Shop (Caernarfon)
2.7 km
Discover unbeatable bargains on fashion, beauty, and homeware at The Original Factory Shop in Caernarfon’s vibrant Pool Street.
Castle Gift Shop
2.7 km
Explore the charm of Wales at Castle Gift Shop, your destination for unique souvenirs and local crafts in Caernarfon.
Essential bars & hidden hideouts
Y Groeslon
1.9 km
A friendly, recently refurbished village pub in Brynsiencyn offering great food, drinks, and a welcoming atmosphere on Anglesey.
Yr Alex
2.2 km
Experience authentic Welsh hospitality and local brews in the cozy, welcoming atmosphere of Yr Alex, Caernarfon’s beloved traditional pub.
Ship & Castle
2.5 km
A lively and welcoming pub in Caernarfon, where friendly locals and traditional charm create the perfect spot to relax and socialize.
Twthill Vaults
2.6 km
A cozy, traditional Welsh pub in Caernarfon offering local ales, hearty food, and a welcoming community atmosphere every day from noon till late.
The Crown Y Goron
2.6 km
A cozy, family-friendly Welsh pub in Caernarfon offering local ales, home-cooked meals, and a warm, inviting atmosphere seven days a week.
Tŷ Glyndŵr Bunkhouse & Su's Cocktail Bar
2.6 km
Cozy Georgian hostel with a lively cocktail bar, local flavors, and live music just steps from Caernarfon Castle in the heart of North Wales.
The hole in the wall
2.6 km
Authentic Welsh pub with historic charm, lively events, and welcoming locals in the heart of Caernarfon.
Market Hall
2.6 km
Historic Market Hall in Caernarfon offering excellent pints, authentic kebabs and curries, plus lively open mic nights in a vibrant local setting.
Palace Vaults
2.7 km
A cosy, historic pub opposite Caernarfon Castle offering hearty fare, live music, and a welcoming atmosphere in the heart of Gwynedd.
Bar Bach
2.7 km
Discover Bar Bach, Wales’ tiniest bar in Caernarfon, where local brews and cozy charm create an unforgettable intimate pub experience.
Anglesey Arms
2.7 km
Historic harbourfront pub and inn in Caernarfon offering cozy rooms, hearty Welsh fare, and stunning views of Menai Strait and Caernarfon Castle.
The Morgan Lloyd
2.7 km
A traditional Welsh pub in Caernarfon offering good beer, friendly service, and a lively local atmosphere near the historic castle.
La Marina Cei
2.8 km
Experience the vibrant social heart of Caernarfon at La Marina Cei, where lively bar vibes and welcoming atmosphere meet.
Albert Inn
2.8 km
A cozy, family-friendly pub in Caernarfon serving homemade British classics with warm local hospitality.
The Eagles
2.9 km
A cozy and friendly Caernarfon pub offering local brews, hearty meals, live music, and a warm Welsh welcome.
Nightclubs & after hour spots
Wellman's Sports & Social Club
9.9 km
Llangefni’s vibrant social hub with lively entertainment, spacious dance floor, and a welcoming community atmosphere.
Academi
12.0 km
Bangor’s beloved student nightclub, offering vibrant music, a welcoming atmosphere, and a central role in university social life.
Trilogy Nightclub
12.6 km
Experience Bangor’s vibrant nightlife at Trilogy Nightclub, where diverse music rooms and lively weekend parties create unforgettable nights.
The Queens Head
27.7 km
Experience the heart of Amlwch at The Queens Head, a welcoming pub with local ales and hearty meals in a cozy atmosphere.
Clwb Llyn Bach
28.1 km
Discover the lively spirit of Clwb Llyn Bach, a top pub in Porthmadog offering great drinks, vibrant events, and a friendly atmosphere.
Albert Vaults
28.8 km
Experience authentic Welsh hospitality at Albert Vaults, a charming pub in Anglesey with a vibrant atmosphere and exceptional drinks.
The Buffs
28.8 km
A welcoming social club in Holyhead offering lively nights, friendly faces, and a true taste of local nightlife on Cambria Street.
The Cove
29.0 km
Experience the vibrant nightlife at The Cove in Hafan Y Mor, North Wales, where music, dancing, and unforgettable memories await.
Black Rock Beach Club
29.2 km
Experience the ultimate beachside retreat at Black Rock Beach Club with delicious grilled dishes and breathtaking coastal views.
Vics Boogie-Nights
29.6 km
Experience the vibrant nightlife at Vic's Boogie-Nights, Abererch's premier bar for music, dancing, and unforgettable memories.
Stag Inn
30.0 km
Experience the charm of Anglesey at The Stag Inn, where delicious meals and a cozy atmosphere await you.
Bryn Arms
33.1 km
A cozy pub in Gellilydan offering hearty homemade meals, lively events, and charming gardens for a welcoming Welsh experience.
Club 147
34.8 km
Llandudno’s energetic nightclub and sports bar offering electronic beats, pool, and a lively social scene in the town centre.
Broadway Boulevard
35.4 km
Llandudno’s largest nightclub, Broadway Boulevard pulses with vibrant music, themed events, and a lively party atmosphere in the heart of town.
New Horizons
46.5 km
Experience vibrant nightlife and lively music at New Horizons, Dyffryn Ardudwy’s welcoming nightclub with spaces for all ages.
For the vibe & atmosphere seeker
- Family Friendly
- Fun-filled
- Educational
- Lively
- Relaxing
For the design and aesthetic lover
- Colorful Aesthetics
- Modern Designs
For the architecture buff
- Landmarks
- Parks & Gardens
For the view chaser and sunset hunter
- Iconic Views
- Waterfront
For the social media creator & influencer
- Instagrammable
- Photo Spots
- Selfie Spots
For the eco-conscious traveler
- Sustainable
- Eco-Friendly
- Public-Transport Accessible
- Locally Managed
For the kind of experience you’re after
- Cultural Heritage
- Nature Escape
- Day Trip
- Family Friendly
- Photowalk
For how adventurous you want the journey to be
- Easy Access
Location Audience
- Family Friendly
- Child Friendly
- Teen Friendly
- Senior Friendly
- Wheelchair Access
- Pet Friendly
- Solo Friendly
- Couple Friendly
- Vegetarian Friendly
- Vegan Friendly
