ST MAWES SCUBA FIELD GUIDE
From Pool Drills to an 18‑Meter Open Water: SSI Open Water Course at St Mawes
A full SSI Open Water certification run by Karleyth Diving: five confined‑water sessions, classroom theory and a final exam, plus four open‑water dives to 18 metres.
From Pool Drills to an 18‑Meter Open Water: SSI Open Water Course at St Mawes.
This SSI Open Water Course with Karleyth Diving teaches the fundamentals of diving: equipment techniques, safety protocols and practical skills practiced both underwater and on the surface, completed through confined‑water sessions, open‑water dives, classroom theory and a final exam.
Highlights
Outing Highlights
A complete, certified training path
The course combines classroom theory and a final exam with practical sessions to ensure you meet SSI standards for Open Water certification.
Confined‑water foundations
You’ll complete a minimum of five confined‑water sessions where instructors teach core skills and safety techniques before heading offshore for open‑water dives.
Real open‑water experience to 18 metres
The practical portion includes four open‑water dives, conducted to a maximum depth of 18 metres, where students apply learned skills in a live environment.
What the day feels like
What the course feels like
The course alternates focused classroom sessions and confined‑water practice with guided open‑water dives: intensive skill drills in controlled conditions, then four open‑water dives to test those skills to a maximum depth of 18 metres, all culminating in a written exam and certification.
Suitability
Who it's for
Who this course is for — and who should think twice.
Practical planner
Details to review before reserving
The course consists of six confined‑water sessions per course plus four open‑water dives.
Meet at the Karleyth Diving Centre for orientation and the start of classroom and confined‑water sessions.
Bring a swimsuit, towel and warm clothes; for weekend open‑water sessions bring food and drink.
Participants must be at least 10 years old, be in good health and will be required to sign a medical waiver prior to participation.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How many confined‑water sessions and open‑water dives are required?
The course includes a minimum of five confined‑water sessions and four open‑water dives.
What is the maximum depth during the open‑water dives?
Open‑water dives are conducted to a maximum depth of 18 metres.
Where do I meet for the course?
You meet at the Karleyth Diving Centre for orientation, classroom sessions and confined‑water work.
What should I bring to the course?
Bring a swimsuit, towel and warm clothes; bring food and drink for weekend open‑water sessions.
Is there a minimum age or health requirement?
Yes — participants must be at least 10 years old and be in good health; a medical waiver must be signed.
Does the course include classroom theory and an exam?
Yes — the curriculum includes classroom‑based theory sessions and a final exam as part of the certification process.