UK Aquariums & Sea Life Centres: 31 Brilliant Underwater Days Out
Rain lashing the prom? Kids bouncing off the caravan walls? An aquarium is the classic British answer, and honestly, it's a cracking day out even when the sun's shining. Few things beat standing in a glass tunnel while a shark glides over your head, or watching seal pups getting their strength back before heading home to the sea.
The UK is dotted with brilliant aquariums, from huge city attractions with ocean-sized tanks to tiny harbourside centres showing off the crabs, lobsters and wrasse living just off the coast. Lots of them sit right on the seafront too, so you can fit one in between the beach, the chippy and a go on the amusements.
We've grouped them by what you most want to see first, then rounded up the rest by region, so you can plan around sharks, penguins, turtles or a bit of hands-on rock pool fun.
Sharks and rays
If it's teeth and fins you're after, these are the places with the big tanks, the walk-through tunnels and the rays that seem to smile at you through the glass.
The Deep Jutting out over the Humber like the prow of a ship, The Deep is a striking building with a towering main tank that you follow down floor by floor. Sharks, rays and huge shoals circle past, and the glass lift rides right through the water. Gentoo penguins add even more fun. See The Deep →
Blue Planet Aquarium Beside Cheshire Oaks at Ellesmere Port, Blue Planet is built around a long underwater tunnel where sand tiger sharks cruise slowly overhead, all teeth and attitude. It's a brilliant shout for North West families and North Wales holidaymakers, and the outlet village next door keeps any reluctant shoppers happy afterwards. See Blue Planet Aquarium →
SEA LIFE London Aquarium Inside County Hall on the South Bank, right beside the London Eye, this is the capital's big aquarium day out. Sharks are the headline act, with penguins, rays and colourful reef fish close behind. Combine it with a riverside stroll along the Thames and you've got a proper London family day. See SEA LIFE London Aquarium →
Deep Sea World Under the famous red Forth Bridge at North Queensferry, Deep Sea World's underwater tunnel puts sand tiger sharks and big rays inches from your nose. It's a short hop from Edinburgh by car or train, and the views of all three bridges outside are worth the trip on their own. See Deep Sea World →
National Marine Aquarium Overlooking Sutton Harbour in Plymouth, this is a serious marine science centre as well as a fun day out. The vast main tank is home to sharks and swirling shoals, with displays focusing on British seas too. Wander through the Barbican afterwards for fish and chips by the water. See National Marine Aquarium →
Blue Reef Aquarium Hastings Tucked at the foot of the cliffs in Hastings Old Town, this compact aquarium lets you watch rays glide and reef sharks pass overhead. It's a handy wet-weather stop near the fishing huts on the Stade, and the East Hill cliff railway is just a few steps away. See Blue Reef Aquarium Hastings →
Penguins, seals and sea lions
Waddling penguins and whiskery seals win hearts every time. Several of these centres rescue and release poorly seal pups, so you see real care in action.
Cornish Seal Sanctuary On the peaceful Helford River at Gweek, this sanctuary rescues grey seal pups found injured or orphaned along the Cornish coast and nurses them back to health. Resident seals, sea lions, penguins and otters live here permanently. It's a gentle, moving day out, best paired with a Helford pub lunch. See Cornish Seal Sanctuary →
SEA LIFE Scarborough Look for the white pyramids at the far end of Scarborough's North Bay. Inside you'll find penguins, otters and plenty of focus on protecting the Yorkshire coast's own marine life. A ride on the little North Bay Railway makes a fun way to arrive. See SEA LIFE Scarborough →
SEA LIFE Hunstanton Right on Hunstanton's seafront, this centre is known for its seal rescue work, caring for pups washed up along the Norfolk coast. Penguins and otters keep the younger crowd glued to the glass. Stay for sunset afterwards, because 'Sunny Hunny' faces west across The Wash. The striped cliffs at Old Hunstanton are a short walk along the shore. See SEA LIFE Hunstanton →
Exploris Aquarium On the shore of Strangford Lough at Portaferry, Exploris is Northern Ireland's aquarium, with a seal sanctuary looking after rescued pups. Local lough creatures sit alongside more exotic tanks. Take the short car ferry across from Strangford for a scenic way in. The village itself is pretty, with a lovely harbour front for an afternoon cuppa. See Exploris Aquarium →
Sealife Adventure Zooquarium On Southend's seafront, this quirky 'zooquarium' mixes ocean tanks with Humboldt penguins, monkeys and meerkats, so it's not just fish. It makes a nice calm break between a walk along the famous pier and an afternoon on the Golden Mile's amusements. See Sealife Adventure Zooquarium →
SEA LIFE Weymouth Set in Lodmoor Country Park, a short walk along the front from Weymouth's beach, this centre is partly outdoors, so you get fresh sea air between the tanks. Penguins and otters are favourites, and the nature reserve next door is great for spotting wading birds. See SEA LIFE Weymouth →
Turtles, jellyfish and tropical fish
Glowing jellyfish, slow-swimming turtles and coral reefs full of colour: these centres are the ones to pick for a bit of underwater wonder.
National SEA LIFE Centre Birmingham In Brindleyplace, a stone's throw from the city's canals, this big indoor centre is famous for its sea turtles drifting through a walk-through ocean tunnel. Otters and tropical reef tanks are big hits too. Plenty of restaurants nearby make it an easy city day. See National SEA LIFE Centre Birmingham →
Blue Reef Aquarium Portsmouth Facing the sea on Southsea's front, this aquarium is packed with tropical reef fish, plus otters that steal the show. It's perfect when the Solent wind picks up. Southsea Castle and the Historic Dockyard are nearby for a bigger day. A seafront location means you can pair it with a paddle, a cone and the fun of Clarence Pier. See Blue Reef Aquarium Portsmouth →
Bristol Aquarium On Bristol's lively Harbourside, this all-weather aquarium has a walk-through tunnel and a steamy botanical house full of tropical plants. Colourful reef tanks and curious rays keep everyone interested. Combine it with We The Curious science centre or a harbour boat trip. See Bristol Aquarium →
SEA LIFE Manchester Next to the Trafford Centre, SEA LIFE Manchester is ideal when you need a few hours of indoor fun. Tropical fish, sharks and rays share the tanks, and the rock pool area is great for younger kids. Shopping and food are right on the doorstep. Arrive early on wet weekends, as it's a popular choice when the Manchester rain sets in. See SEA LIFE Manchester →
Blue Reef Aquarium Newquay Perched right above Towan Beach, this Newquay aquarium is all about tropical colour, with reef fish, rays and a walk-through tunnel. Pop in when the surf's flat or the clouds roll in. Then head straight back down the steps onto the sand. It's ideal for younger children who need a break from wind and waves. See Blue Reef Aquarium Newquay →
Talks, feeding and interactive zones
The best aquarium visits are the hands-on ones. Look out for feeding demos, keeper talks and touch pools where kids can gently meet starfish and crabs.
Anglesey Sea Zoo Overlooking the Menai Strait near Brynsiencyn, Anglesey Sea Zoo celebrates the surprising colours and shapes of Britain's own seas. Wrecks, lobsters, conger eels and tiny local creatures come with brilliant explanations. It's a lovely stop on any Anglesey trip, especially on a blowy afternoon. See Anglesey Sea Zoo →
Skegness Aquarium Set sail on a pirate-themed adventure among sharks, rays and all sorts of curious creatures. Skegness Aquarium sits on the seafront, so it's an easy add-on to a day of donkey rides, candy floss and amusements along the front. Watch out for feeding sessions. See Skegness Aquarium →
SEA LIFE Blackpool On the Promenade near the Tower, SEA LIFE Blackpool has an ocean tunnel, sharks and plenty of interactive bits for kids. It's often bundled with other big Blackpool attractions, so compare tickets before you go. The arcades and the Tower are only a stroll away. See SEA LIFE Blackpool →
SEA LIFE Brighton Underneath Brighton's seafront hides a beautiful Victorian aquarium that opened in 1872, with ornate arches and pillars. Turtles, rays and sharks fill the old tanks, and keeper talks run through the day. Brighton Palace Pier is just across the road. See SEA LIFE Brighton →
Oceanarium Bournemouth Right by Bournemouth Pier at West Beach, the Oceanarium takes you through zones themed on waters from around the world. It's an easy indoor stop between beach sessions. Look out for feeding demos, then grab an ice cream on the prom. Keep an eye out for the otters, which are always a favourite with younger visitors. See Oceanarium Bournemouth →
Conservation and rescue
Some of the most rewarding visits are to smaller centres where marine research, rescue and local conservation are at the heart of everything.
Macduff Marine Aquarium On the Moray Firth coast in Aberdeenshire, Macduff focuses on the sea life of the North Sea right outside. Its centrepiece is an open-topped kelp reef tank, so you're looking down at real local wildlife. Combine it with a wander round Banff across the bay. See Macduff Marine Aquarium →
Sea Trust Wales - Sea Mor Aquarium Down by the harbour at Goodwick near Fishguard, this small aquarium is run by the Sea Trust Wales charity and showcases the creatures living off the Pembrokeshire coast. It's intimate, educational and great for curious kids. Head up to the coast path afterwards for dolphin-spotting. Volunteers are full of stories about local sightings. See Sea Trust Wales - Sea Mor Aquarium →
Scottish Seabird Centre On North Berwick's harbour, this conservation charity brings the Bass Rock gannet colony and the puffins of the Forth islands to life. Seasonal boat trips get you out among the wildlife. Pair it with North Berwick's sandy beaches and a seafood lunch. See Scottish Seabird Centre →
Ocean Explorer Centre Just outside Oban, this marine science centre lets you discover what scientists are learning about Scotland's seas. Hands-on exhibits make it great for budding marine biologists. Ganavan Sands beach is nearby for a picnic with island views. It's a smart, slightly different take on the aquarium idea, perfect for curious older children. See Ocean Explorer Centre →
More aquariums in England
Not every great aquarium fits neatly into one theme. These English favourites are all-rounders, ideal for slotting into a seaside break or a Lakes holiday when you need a few hours under cover.
SEA LIFE Great Yarmouth Smack on Great Yarmouth's Marine Parade, this aquarium slots nicely into a day on the Golden Mile. Sharks, rays and plenty of colourful tanks give everyone a breather from the sun or the drizzle. Then it's back out for chips and the amusements. Little ones usually make a beeline for the rock pool area, where gentle hands are the rule. See SEA LIFE Great Yarmouth →
Tynemouth Aquarium Overlooking the long sweep of Longsands beach, Tynemouth Aquarium makes a cosy stop on the North East coast. Rays, reef fish and North Sea creatures are all on show. Tynemouth Priory and Front Street's cafés round off the day beautifully. On breezy days it's a welcome warm-up after a bracing walk out along the pier to the lighthouse. See Tynemouth Aquarium →
Lakes Aquarium At Lakeside, at the southern tip of Windermere, Lakes Aquarium follows the water from mountain streams to the sea, with otters stealing the show. The steam railway and lake cruise boats stop right outside, so you can build a whole day around it. See Lakes Aquarium →
More aquariums in Scotland
Scotland's coast and lochs are full of life, and these two centres make easy additions to a city break or a Highland road trip.
SEA LIFE Loch Lomond At Loch Lomond Shores in Balloch, this centre mixes freshwater life from the loch with tropical tanks and otters. Grab a loch cruise or hire a bike afterwards. It's an easy day trip from Glasgow, with stunning hills all around. The shopping and food at Loch Lomond Shores mean nobody goes hungry either. See SEA LIFE Loch Lomond →
St Andrews Aquarium Near the famous West Sands in St Andrews, this friendly aquarium is a good fit for younger families. Local and tropical creatures fill the tanks. Follow it with a walk along the beach and a peek at the Old Course and the cathedral ruins. It's compact, so a couple of hours is plenty, leaving time for an ice cream on the Scores. See St Andrews Aquarium →
Plan your aquarium day out
Aquariums get busiest on rainy days and in school holidays, so arriving early, or later in the afternoon, makes a big difference. Book online if you can, and check whether a combo ticket with nearby attractions saves money. Most places post feeding and talk times on a board near the entrance.
Pushchairs are usually fine, but some older buildings have stairs, so check access if needed. Flash photography is often discouraged near the tanks. Many of these centres sit right on the seafront, so make the most of it with a stroll, a cone and a go on the arcades.
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