Bioluminescent Swim Experience in West Cork

Dive into West Cork’s bioluminescent waters, learn the lore, and end the night by a cozy fire. Experience marine magic like never before.

Duration: 2 hours
Cancellation: 24 hours
Highlights
  • Castletownshend - This unique bioluminescent swim is the only one of its kind in Ireland. Each night, we accommodate up to eight participants, with two guides always on hand. Many participants often describe this as the highlight of their visit to Ireland.
What's Included
  • Wetsuits provided
  • Swim buoys, goggles, lights at a special wavelength
  • Warm blankets for afterwards
  • Tea and coffee
Additional Information

We’ll begin our evening with a bit of background, getting you acquainted with this amazing phenomenon. This will include the science and the lore that surrounds bioluminescence. Then, as the night sets in, we’ll head for a refreshing dip very close to the shore. Armed with, wetsuits, swim buoys and lights, we’ll embrace the waters, hoping to be


Location
Castletownshend
We meet at to Castlehaven Strand about 2km southwest of Castletownshend village. It's about 12 minutes outside Skibbereen and it's a very scenic coastal section of the Wild Atlantic Way. https://www.openstreetmap.org/#map=19/51.51800/-9.18871 The house just above the strand has the Eircode P81TF86
Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

Customer Ratings
5.0
(17 Ratings)
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C8540vysofiaf
Dec 22, 2025
Unforgettable night!!! - My fiance and I attended this tour the day we got engaged - it was such a beautiful experience and way to end the night!!! Connor and Celine were so welcoming, knowledgeable, and kind :-) They stayed late with us to make sure our driver picked us up :-) We'll never forget this experience!!!! You won't regret booking it!!!
Review provided by Tripadvisor
Patricewhiteheather
Oct 14, 2025
Magical other worldly experience - This was a truly magical evening with Celine and Conor. In the dark of night we all entered the ocean fully kitted out and saw the most amazing light show all around us. The cloudy sky meant the bioluminescence was amazing. Truly unforgettable. Then we gathered around a camp fire for tea and biscuits and stories and songs. Could not recommend it highly enough.
Review provided by Tripadvisor
Aneeln2025
Sep 14, 2025
Fantastic - We had a great experience with Connor and Celine. The bioluminescence was incredible and the hosts were really friendly and accommodating. I would recommend to anyone!
Review provided by Tripadvisor
Stephanie_b
Sep 5, 2025
Magic night - The legends of Ireland that brought us to this magical land come together in an amazingly choreographed evening of nature, storytelling with a twist of science and excitement. This will remain in the story of my travels one of those unique experiences that I will remember in my minds eye. My family made a tremendous effort to join - totally worth it!!!
Review provided by Viator
Nicholas_m
Aug 24, 2025
Single Most Unique Experience in Ireland with 2 of the Best People - There are times in life when you do something cool, even really cool, but rarely daringly cool
and that’s what Conor and Selene offer to travelers and locals alike with one of the wildest things my wife and I have ever experienced. Meet them down at the boat ramp, listen to the briefing, don the wetsuits, and get ready for one of the most insightfully Irish ecologies you’ll ever see. Sure, you’ll get to hear about and experience the bioluminescence, which in itself is epic (truly they are a stunning species in West Cork’s waters). Yet, what Conor and Selene complement this experience with really illuminates and refracts the true character of this beautiful country and its fascinating people, in itself another bioluminescent experience. In all my years of traveling, I’ve never been so taken with an experience that is definitely off the beaten path, and frankly gave me a little shining light in this world of great uncertainty. Travellers: If you’re already sold on this, great! If you’re on the fence, DO IT. Its impact on you will reverberate through the ages and dare you to pass along a similar torch that these two wonderful humans gave us.
Review provided by Viator
Steven_m
Aug 15, 2025
Illuminating Experience - Conor and Celine were wonderful hosts on this unique experience. Never did we expect to swim in the darkness off the coast of Ireland in a protected haven. It was amazing to see the water light up right before our eyes. Conor is a great storyteller as well, he told us stories before and after swimming as we sat around the fire pit. The setting was right next to and old church and graveyard adding to the experience.
Review provided by Viator
Elisabethgb7208qf
Aug 3, 2025
A magical one-of-a-kind experience - What a wonderful experience!! This was a really magical experience - unlike anything else I've done and so hard to explain to anyone since! All really well organised and put together. The setting is so tranquil and atmospheric and I loved the storytelling around the fire both before and after. Definitely one of the best things I did while in Co. Cork
Review provided by Tripadvisor
Siveo2023
Jul 25, 2025
This was a really magical experience and I can't wait to do it again. There is nothing quite like it. - This is undeniably one of the best things you can do in West Cork. Connor and Celine created such an amazing experience for us all- there was a roaring fire going by the beach, really interesting (and funny) local folklore, songs and of course- the swim! The bioluminescence was breathtaking. Conor and Celine really know their stuff when it comes to night swimming and the whole experience was perfectly timed to witness the bioluminescence and see the starry nightsky too. Overall it is a really special experience in great company.
Review provided by Tripadvisor
Saralv431qw
Sep 16, 2024
One of the most unique experiences possible! - Conor and Celine were super friendly and knowledgeable. Very safety and fun focussed. The stories are a brilliant addition. I have recommended this tour to everyone I have spoken to since. Plus, Conor also very kindly answered some followup questions about the equipment he used. Which was super sound.
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D9577fbjeffreyf
Sep 13, 2024
AMAZING SWIM EXPERIENCE! - I have traveled in many countries, and had the opportunity to experience many things. And this experience one of my all time favorites! To start, this is a small family-run excursion. And Conor and his family are amazing hosts. In the course of the evening you truly feel like you all become friends. There was no sense of being rushed through a tourist experience. It felt like you and your old friends decided to meet up for a brisk moonlight swim. The night of my swim there was a full moon, and that reduced our ability to observe the sparkling bioluminescence organisms. However, after the clouds moved in, the sea lit up with what looked like tiny glowing diamonds suspended in the inky water. It was so, so peaceful. After the swim there was a fire and hot tea waiting on shore. And we stood around the warm flames as Conor shared traditional Irish legends and local family folklore. This is an amazing travel experience. It really made me feel like less of a tourist and more a local.
Review provided by Tripadvisor
From $114
up to 8 guests
1 - Adult
Cancellation: Free cancellation up to 24 hours before the start of your experience (local time).