Leinster Open Sea is a premier organization dedicated to open water swimming, offering a vibrant platform for swimmers of all ages and skill levels. Established to promote the sport, it hosts an annual series of races, including the renowned Dublin City Liffey Swim, fostering a sense of community and competition among participants. The organization provides comprehensive services that cater to both new and experienced swimmers, including online registration for races, detailed race calendars, and resources for tracking individual performance statistics.

Season registration opens every Monday, allowing swimmers to secure their spots in upcoming races, while entry closes the Friday before each event. Additionally, Leinster Open Sea offers support for technical issues and queries, ensuring a smooth experience for all users. With a commitment to excellence and inclusivity, Leinster Open Sea encourages everyone to dive into the exhilarating world of open water swimming, making it a cornerstone of the local swimming community.