Sussex Diving & Leisure (SDL) is a family-run PADI dive centre established in 2011 and based in Selsey, West Sussex, teaching in small, well-supported groups from first Discover Scuba try-dives through Open Water, Advanced Open Water, Rescue Diver, specialty and professional-level PADI courses. SDL also runs a dedicated children's diving programme (Bubblemaker, Seal Team, Master Seal Team) at Havant Leisure Centre and is a PADI-accredited youth training centre.