SSI Open Water Course with Karleyth Diving in St Mawes
Difficulty
moderate
Duration
3–5 days total
Fitness Level
Moderate fitness needed; ability to swim and tolerate cold water comfortably is important.
Overview
Karleyth Diving’s SSI Open Water Course in St Mawes provides a solid foundation in diving through balanced theory and ocean practice. Learn essential skills while immersed in Cornwall’s striking underwater landscapes.
SSI Open Water Course
Ages 10+ • 3 Days or longer • The most popular beginner course!
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About This Adventure
Dive into an unforgettable adventure with this comprehensive diving course! Learn essential techniques, safety protocols, and skills both underwater and on the surface. Experience five confined water sessions and four exhilarating open water dives, reaching depths of 18 meters, all while gaining valuable knowledge through engaging classroom theory and a final exam.
Dive into an unforgettable adventure with this comprehensive diving course! Learn essential techniques, safety protocols, and skills both underwater and on the surface. Experience five confined water sessions and four exhilarating open water dives, reaching depths of 18 meters, all while gaining valuable knowledge through engaging classroom theory and a final exam.
Adventure Tips
Check Weather and Tide Times
Proper planning around wind and tides is crucial for safe open water sessions in St Mawes’ coastal waters.
Use a Fullly Fitted Wetsuit
The waters can be chilly even in summer—wear a wetsuit to stay comfortable throughout dives.
Hydrate and Rest Well
Diving requires physical and mental alertness; stay well-hydrated and rested before each session.
Practice Skills Thoroughly in Confined Water
Mastery of basic skills in the pool or confined water area sets the stage for safe ocean dives.
Local Insights
Wildlife
- Ballan wrasse
- Common cuttlefish
History
St Mawes harbour has been a protected anchorage since medieval times, hosting fishing fleets and naval patrols.
Conservation
Local dive operators promote responsible diving practices to protect fragile kelp beds and marine habitats.
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Adventure Hotspots in Truro
Frequently Asked Questions
Recommended Gear
Full-length wetsuit
Protects against cold water and abrasions during dives.
spring|summer|fall|winter specific
Mask and snorkel
Essential for surface swimming and underwater navigation.
Dive computer or depth gauge
Helps monitor depth and dive time for safety during open water sessions.
Dive boots and fins
Boots protect feet in rocky areas; fins provide efficient propulsion underwater.