Cossum Swim Schools are Northern Ireland's largest provider of aquatic training courses, swimming lessons, snorkelling, and Sea Scooters. Our wide range of courses provide the professional training necessary for both swimming tutors and lifeguards. Our swimming courses cater for people of all ages, starting from tiny babies to advanced swimmers. With over 20 years of experience, Cossum Swim Schools remains at the forefront of swimming and aquatic teaching in Northern Ireland and the Republic of Ireland. We follow the STA's accredited Teacher qualifications, adopted in over 20 countries worldwide.