The Cornish Seal Sanctuary at Gweek is the oldest seal sanctuary in Britain and one of the few attractions in Cornwall that genuinely changes how visitors think about marine wildlife. Founded in 1958 by Ken Jones after he rescued a single washed-up pup at St Agnes, the sanctuary has been rehabilitating and releasing grey seals for nearly seventy years. It rescues around fifty pups each season, achieves an eighty-plus per cent release rate, and combines a working marine hospital with a visitor experience that’s properly engaging for both adults and children. This Cornish Seal Sanctuary guide is the practical version.
I’ll cover the verified 2026 prices and opening, the layout and the realities of access (Gweek sits on a steep slope; the walk from reception to the hospital is significant), the animals you’ll meet, the rescue and rehabilitation operation that’s the heart of the sanctuary’s purpose, and the wider conservation work. Our broader Cornwall wildlife and nature guide is the parent piece and our seal watching Cornwall guide covers the wild seal-watching alternative.

The History: From One Pup to a National Charity
The Cornish Seal Sanctuary’s origin story is one of those properly British conservation stories. In 1958, Ken Jones — a former London policeman who had moved to Cornwall — found a stranded seal pup on the beach at St Agnes. The local options for rehabilitation were essentially zero; the pup needed feeding, medical care and warm shelter. Ken took it home. He fed it, kept it alive, and eventually released it back to the sea.
What started as one pup became more. Ken and his wife Mary set up the original sanctuary at St Agnes. Other pups arrived. The St Agnes operation grew through the 1960s and into the early 1970s; by 1975 the demands had outgrown the original site, and the sanctuary moved to its current home on the Helford River at Gweek.
For the next forty-plus years it operated as an independent charity. In March 2018 the sanctuary was acquired by the SEA LIFE Trust, the conservation arm of the SEA LIFE aquarium chain. The acquisition brought additional resources and operational capacity; the conservation focus remained the same — rescue, rehabilitation, release.
Today the sanctuary occupies forty-plus acres on a steep wooded slope above the Helford River. It treats fifty to seventy pups per season; the cost per pup is around two to three thousand pounds; the eighty-plus per cent release rate is among the best in any UK marine rehabilitation centre.
The 2026 Visit: Prices, Opening, Practical Details
The verified 2026 visitor information:
Opening: Daily 10am to 5pm. Last entry at 4pm. Closed Christmas Day and Boxing Day.
Standard admission: Adult £15.50; child £12.50; senior or student £14.50; family ticket £48 (typically two adults plus two or three children — check the specific configuration when booking).
Online discount: Up to thirty per cent off if pre-booked online ahead of visit. Significantly cheaper than walk-up.
Annual pass conversion: Your standard entry ticket converts to a twelve-month free re-entry pass. Drop in again any time within the year for no extra charge.
Under-3s: Free.
16-and-under: Must be accompanied by an over-18.
Address: Gweek, Helston, Cornwall, TR12 6UG.
The website is at sealsanctuary.co.uk; advance bookings via sealsanctuary.sealifetrust.org.
The Layout — and the Accessibility Reality
This is the section most other Cornish Seal Sanctuary write-ups gloss over and visitors find out at the gate.
The sanctuary occupies a steep wooded slope running from the reception area at the top down to the hospital, seal pools and rehabilitation centre at the bottom. The walk from reception to the hospital area is approximately six hundred metres downhill on tarmac and gravel paths. The walk back up is the same distance uphill — properly steep in places. From the hospital area to the seal pools at the bottom of the site is a further three hundred metres or so.
For most visitors this is fine — twenty minutes of moderately steep walking with rest points along the way. For visitors with mobility issues, pushchairs, or young children who tire easily, it’s a meaningful consideration. The hill back up to the car park is not trivial.
The safari bus. In peak season the sanctuary runs a small minibus shuttle between the upper site and the lower areas. The bus carries pushchairs and manual wheelchairs. Check at reception for the day’s schedule. The bus is genuinely useful — don’t skip it if you need it.
The site has accessible toilets at multiple points; pushchairs are workable; manual wheelchairs are workable with the safari bus assistance.

The Animals: Beyond the Seals
The sanctuary’s name suggests just seals, but the resident population is broader than that.
Grey seals — rehabilitation and resident. The pool system holds both pups in active rehabilitation (you can watch them from the hospital window) and permanent residents that for various reasons cannot be released to the wild. The permanent residents are mostly animals rescued as pups with conditions (vision impairment, repeated stranding) that mean they couldn’t survive independently.
Cape fur seals. A different seal species from southern Africa. The sanctuary has several Cape fur seals as permanent residents, originally from another collection that needed to rehome them.
Patagonian and Californian sea lions. Adult sea lions, much larger than the resident seals. Their daily feeding demonstrations are properly impressive — the animals are intelligent, demonstrative, and clearly engaged with their keepers.
Asian short-clawed otters. Two otters — Apricot and Harris are the long-term resident pair — in a dedicated enclosure. The smallest otter species; properly active and engaging to watch.
Eurasian otters. The native UK otter species; rescued or born in human care; the British otter most visitors have never seen up close.
Humboldt penguins. The South American penguin species. Resident population since 2010. Daily feeding sessions; the penguins are demonstrative swimmers.
Pygmy goats. The petting-zoo element. Children love them; the goats are properly tame and welcome the attention.
Beavers. Recently added Eurasian beavers as part of the wider European beaver reintroduction conservation work. Genuine British wildlife species being rebuilt as a UK breeding population.
Ponies. A small group of rescued or retired ponies graze the open areas of the site.
The Rescue and Rehabilitation Operation
The sanctuary’s reason for existing. Each year, between September and March, the team rescues fifty to seventy seal pups from beaches around Cornwall and the South-West. The pups arrive in varying conditions — abandoned, malnourished, injured, entangled in marine debris, or simply stranded due to storm damage.
The rescue protocol:
The call. Members of the public report a pup in distress (via British Divers Marine Life Rescue on 01825 765546, or via Cornwall Wildlife Trust, or directly to the sanctuary). Trained volunteers across Cornwall assess the situation — most “abandoned” pups are not abandoned and don’t need intervention.
Triage. If the pup needs rescue, the sanctuary’s team brings it to Gweek. Initial assessment, fluids, temperature stabilisation, basic medical care.
Fish school. Pups need to learn to eat fish independently. This takes time — first hand-feeding, then “fish school” where they progress to taking dead fish, then catching live fish in the pools. Months of work.
Pool progression. Pups move through pools from the smallest (intensive care) up to the largest (pre-release pool). Each stage is monitored.
Release. When fit, the pups are taken to suitable release sites (sheltered coves with good fish populations, away from human activity, with other wild seal presence to provide social context). The release is recorded and the pup tracked where possible.
The cost per pup is around two thousand to three thousand pounds, depending on length of stay and medical interventions. The release rate is eighty per cent plus.
You can watch the rehabilitation process. The hospital area has viewing windows where visitors observe pups in care — the team works visibly so visitors can see the rescue operation in action without disturbing the animals. The on-site signs and the daily talks explain the individual stories of pups currently in care.

To see them in the wild afterwards, read seal watching in Cornwall.
The Daily Talks and Feeding Times
The sanctuary runs a schedule of talks and feeding sessions through the day. Posted at reception each morning. The major sessions:
Seal feeding talks. Multiple sessions through the day at the main seal pools. The keepers explain the individual seal stories, the rehabilitation process, the species biology, and the conservation issues.
Sea lion presentation. The most demonstrative session — the sea lions are properly responsive and the trainers showcase the trained behaviours that come from the animals’ natural intelligence.
Otter feeding. The Asian short-clawed otters at lunch.
Penguin feeding. The Humboldt penguin colony at their afternoon session.
The talks are properly informative — the keepers know the animals individually, can tell you the medical history of resident seals, and engage children at the right level. Don’t skip them; they’re the heart of the visit.
The Conservation Work Beyond the Sanctuary
The sanctuary is the visible face of broader conservation work. Several initiatives worth knowing:
The GPS tracking trial. Recent years have seen the sanctuary tag fifteen released grey seal pups with GPS units that track their movement post-release. The data has produced the first South-West-specific study of where Cornish-rescued pups go after release — important for understanding population dynamics.
Marine litter campaigns. The sanctuary is active in beach cleans and marine debris removal — both are direct causes of seal entanglement and injury.
Educational outreach. School visits, summer holiday programmes, and on-site educational sessions reach thousands of children each year. The “Adopt a Seal” scheme provides ongoing funding.
Captive breeding contributions. The sanctuary’s Humboldt penguin breeding contributes to the European captive breeding programme for the species (Humboldt penguins are vulnerable in the wild).
Stranding network coordination. The sanctuary works with British Divers Marine Life Rescue (BDMLR) and Cornwall Wildlife Trust to coordinate the South-West marine mammal stranding response.
How Long Do You Need at the Sanctuary?
Allow two to three hours minimum. A proper visit covers the welcome and orientation, the walk down to the hospital area (with stops to read information panels), watching the pups in care, the seal feeding talk, the sea lion presentation, the otter and penguin areas, and the walk back up to the café.
For families with young children, three to four hours is realistic — children naturally want to spend more time at the animals they like.
For visitors with mobility considerations, plan for slightly longer to allow the safari bus schedules and rest stops on the climb back up.
The Helford Day-Trip Combination
The sanctuary sits on the Helford River, which means it pairs beautifully with other Helford activities for a full day in the area.
Morning at the sanctuary. Arrive at opening, do the seal feeding talks, work through to lunch.
Lunch at the Black Swan or Gweek Inn (both in Gweek village). The Black Swan is the better-known of the two; pub lunch, family-friendly.
Afternoon Helford River exploration. Options include:
- Drive to Helford Passage on the north bank; passenger ferry across to Helford village; walk to Frenchman’s Creek (Daphne du Maurier territory). See our Falmouth guide for the wider Helford context.
- Koru Kayaking guided Helford tour from Budock Vean — sub-tropical creek paddle.
- Trebah Garden visit — sub-tropical valley garden with private beach (NT and RHS access).
- Glendurgan Garden (NT) for the cherry laurel maze.
The combination of seal sanctuary morning plus Helford afternoon is one of the genuinely good Cornish family day-out combinations.
Falmouth is the obvious base, and walking the Lizard Peninsula covers the coast within easy reach.
Best Time of Year to Visit
September through March is peak pup season. The hospital is busy with rehabilitation cases. This is when you’ll see the highest number of pups in care and the most dramatic rescue stories. Cornish autumn-winter weather; bring waterproof layers.
April through August is the quieter rehabilitation season but the sanctuary is still fully open. The resident animals are all visible; talks and feeding sessions run as normal. Summer weather suits the steep walk; combine with other Helford activities easily.
The shoulder seasons (May-June and September-October) offer the best balance of weather, crowd levels, and pup activity.
Avoid school summer holiday peak weekends if you possibly can — Saturdays and Sundays in July-August have queues and crowded sessions. Weekday mornings are quieter year-round.
Where to Stay Nearby
The Helford area has a strong network of accommodation options:
Budock Vean Hotel on the north bank of the Helford — four-star hotel with sub-tropical grounds and direct river access. The launch point for Koru Kayaking.
Mawnan Smith and surrounding villages — multiple B&Bs and self-catering cottages.
Helford village itself — a handful of cottages and the Helford Passage pub.
Falmouth — major town fifteen minutes from Gweek; full range of accommodation.
Helston — local town five minutes from Gweek; budget and mid-range options.
Our Falmouth B&B guide covers the wider area.
Adoption and Support Schemes
The sanctuary’s running costs are significant — fish bills alone are substantial — and visitor admission only covers part of the operating budget. Supporting the work:
Adopt-a-Seal scheme. Adoption gift packs with photographs, fact sheets, and updates on a specific resident or rehabilitated seal. From around £30 per year. Great gift for children.
Adopt-a-Penguin / Adopt-a-Sea Lion / Adopt-an-Otter. Equivalent schemes for the other resident species.
Annual membership. Multiple visit access plus benefits.
Donations. Direct support of the rescue operation. Specific campaigns target individual pups in care or specific equipment needs.
Volunteering. The sanctuary uses volunteers for visitor services, education, animal care assistance and beach cleans. Apply via the website.
The shop and café. Sanctuary shop sells branded merchandise; profits fund the operation. The café on site uses sustainable suppliers; meal purchases support the conservation work.
What to Bring
- Sturdy footwear. The paths are tarmac and gravel; not muddy. But the slope is steep. Decent walking shoes are better than fashion footwear.
- Layers. The site is exposed to Helford weather; the wind can be properly cold even in summer.
- Waterproofs. Cornwall weather; bring a jacket even in June.
- Camera or phone. The seals and the talks make great photographs.
- Snacks and drink. Available on-site at the café but bringing your own is welcome for the walks between areas.
- Sun cream in summer. The outdoor pools are exposed.
Pushchairs are workable but the steep sections are hard work. A baby carrier may be easier for very young children.
Frequently Asked Questions
How long do you need at the Cornish Seal Sanctuary? Two to three hours for a standard visit; three to four hours for families with young children.
How much does the Cornish Seal Sanctuary cost? Adult £15.50; child £12.50; senior or student £14.50; family ticket £48. Up to 30% off when booked online ahead.
Is the Cornish Seal Sanctuary worth visiting? Yes — combines proper conservation work with a properly engaging visitor experience. The rescue operation is uniquely valuable in UK marine rehabilitation.
Can you see baby seals at the Cornish Seal Sanctuary? Yes — pup season runs September to March; the sanctuary rescues fifty to seventy pups per year and many are in rehabilitation during the winter months.
Are dogs allowed at the Cornish Seal Sanctuary? No — only assistance dogs are allowed on site. Standard policy at most UK animal sanctuaries.
Is the Cornish Seal Sanctuary suitable for wheelchairs/pushchairs? Pushchairs are workable. Manual wheelchairs are workable with the safari bus shuttle in peak season. The slope is steep but the paths are tarmac/gravel.
What is the best time of year to visit the Cornish Seal Sanctuary? September to March for peak pup season activity; April-August for resident animals and easier walking conditions.
What other animals are at the Cornish Seal Sanctuary? Grey seals (resident plus rehabilitation), Cape fur seals, Patagonian and Californian sea lions, Asian short-clawed otters, Eurasian otters, Humboldt penguins, pygmy goats, beavers, ponies.
Where do they release the seals? Suitable wild release sites along the Cornish coast with sheltered access, good fish populations, and existing wild seal presence. Release sites are kept somewhat confidential to avoid disturbance.
Can you adopt a seal at the Sanctuary? Yes — Adopt-a-Seal scheme from around £30 per year. Excellent gift for children. Other adopt-an-animal schemes available for the other resident species.
The Cornish Seal Sanctuary at Gweek is one of the genuinely valuable Cornish family attractions. Pre-book online for the discount. Plan three hours minimum. Watch the seal feeding talks. Read the rescue stories. Drop a donation in the box. Then explore the Helford afterwards. The pups you see in care today will likely be released next spring back to the sea you can see from the sanctuary windows.