“The kind of experience I might have associated with South Africa or the Baja peninsula has been had right on my doorstep “
The Guardian
Photo by @rorzmoore
Celtic Deep is a company run by marine conservationists and freedivers. We’re passionate about exploring our waters and putting you in position to encounter some of the UK’s most iconic marine wildlife.
The marine habitats of Pembrokeshire are home to an array of spectacular wildlife from seabirds, seals and sharks to gigantic whales, dolphins and bluefin tuna.
Year on year we’re building up a range of unique, low-impact wildlife experiences. Whether you’re a seasoned freediver, underwater photographer or someone looking to dip their toe into our underwater world for the first time. We have an adventure for you.
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Explore Snorkelling
2-3hr Trip | April - October
An introduction to snorkelling and the incredible marine wildlife on our doorstep. This shore-based activity is the perfect entry level activity for families or groups of friends.
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Learn to Freedive
4hr Try Freedive or 2 day course | Apr - Nov
Learn to freedive and experience the utter freedom this amazing sport provides. SSI Try Freedive and Level 1 courses available.
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Snorkelling Skomer and Skokholm
6hr Trip | April - July
“For many people, a land-based puffin trip may be preferable – it’s certainly warmer – but for me this has been one of finest wildlife watching experiences ever”.
— Kevin Rushby, The Guardian
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Celtic Deep
Full day ~ 10hrs | July - October
“This is the closest thing to a wilderness you can find in the UK. It’s exciting and moving in equal measure. The sharks are just breath taking and the Celtic Deep crew are superb at what they do the experience is just off the chart. I can’t wait to go again”.
— Ben Fothergill
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Celtic Deep & Islands Weekend
2 days: ~ 10hr + ~ 6hr trip | June - October
“An unforgettable experience with the Celtic Deep team. We were well looked after and had an incredible encounter with female blue sharks! We also saw a breaching thresher shark & porbeagle sharks too. You won’t get this experience with anyone else”!
— Lizzie Daly
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Lundy
7-8hr Trip | June - September
Full day trip from Tenby to Lundy! Spend the morning snorkelling with seals & the afternoon exploring the island.
“The exhilaration of seeing all the different forms of wildlife, let alone the sharks is something we all still fondly reminisce over .”
— Rachel Bott