Michal Marek

Michał Marek (20 January 1983 – 12 May 2019) was a Polish cave diver who spent his last years in Ireland.He held the record for the deepest cave dive in Ireland at a depth of .

Life and speleological career Marek was born in Krosno, Poland in 1983, and began open-water diving in 2002 in Kraków. Moving to Ireland in 2004, he settled in Galway and subsequently became a qualified technical diver.

Over subsequent years, Marek developed his caving and cave diving skills, and accomplished much in exploration. In 2012, while on a coastal dive at Ailladie, near Fanore, County Clare, he discovered the entrance to Cliff Cave. With other cave divers, he spent the following months and years exploring the underwater cave to over in length, making it the longest marine cave in Ireland.

Marek died on 12 May 2019 at the age of 36, while on an open-water dive on the wreck of the SS Athenia, off Malin Head, County Donegal.