Fastnet Swim Ltd

Fastnet Swim Limited is the dedicated organiser and governing body behind the iconic 21‑kilometre Fastnet Rock Ocean Swim, one of the world’s most celebrated open‑water challenges and a key leg of the Irish Triple Crown of Open Water Swimming. Based on Ireland’s rugged South‑West Coast, the company coordinates every aspect of the event – from swimmer registration and safety planning to crew deployment and on‑site support – ensuring participants can focus on the extraordinary experience of starting or finishing at the historic Fastnet Rock Lighthouse, “Ireland’s Teardrop”.

The company’s specialist services include a seasoned safety team, experienced skippers and crew familiar with the fast‑moving tides, strong currents and cold Atlantic updrafts that define the swim. Fastnet Swim also curates a community of elite and aspiring marathon swimmers, offering guidance, mentorship and the chance to join an ever‑growing roster of athletes who have conquered this demanding yet breathtaking course. Whether undertaking a solo swim or a relay, participants receive professional, safety‑first organisation combined with the warm, supportive ethos of a close‑knit Irish swimming family.