• Compass Jellyfish

    Dive into our Cornish Oceans - Become a Scuba Diver

    We offer personalised instruction in small groups, ensuring a supportive learning environment. Focused on safety, skill development, and environmental awareness, our courses prepare divers to explore Cornwall's stunning underwater world.
    Learn to Dive

  • Guided Boat & Shore Dives In Cornwall

    We provide guided boat and shore dives throughout Cornwall with experienced instructors and divemasters, always ensuring your safety. Our team delivers unforgettable experiences, showcasing Cornwall's stunning marine life and underwater landscapes. Tailored dives for all levels allow both seasoned divers and novices to explore the sea's beauty with confidence.


    Book Now
  • Close-up of a small nudibranch sea slug with orange spots on its translucent body, crawling on a green leaf against a black background.

    SSI Explorers Kids Club

    Join our SSI Explorers Kids Club for an exciting journey to explore the marine world! Every Tuesday at 7:30pm at Carn Brea Leisure Centre in Pool, young adventurers can learn snorkelling, scuba diving, and marine ecology. Our courses cater to individual needs, ensuring a personalized experience and a love for the ocean. Dive into fun and adventure!
    Sign up
  • Close-up of yellow and black scuba diving regulators hanging on a wall in a dive shop or garage.

    Equipment Sales & Servicing

    At Karleyth Diving, we offer a wide range of dive equipment sales and servicing from trusted brands. Our selection includes wetsuits, regulators, and more, ensuring you find the perfect gear. We provide a 'try before you buy' option, letting you experience the fit and comfort of our products. Our expert team is here to provide advice, ensuring you're fully equipped for your underwater adventure.
    Shop Now

SSI Beginner Courses

  • SSI Try scuba diving - try scuba diving for the first time

    Try Scuba

    Discover the underwater world, go scuba diving in confined water and earn the SSI Try Scuba recognition card.

    Book Now
  • SSI Open Water Diver Course - learn how to dive

    Open Water Diver

    Begin your lifelong adventure as a certified diver with the globally recognized SSI Open Water Diver certification.

    Book Now
  • Cartoon illustration of two scuba divers and marine animals under the sea, with a large star-shaped badge reading 'SSI Explorers' and 'Aqua Team', surrounded by coral, bubbles, and fish

    SSI Explorers Club

    Unforgettable aquatic adventures for kids! Go underwater and discover the wonder of Snorkel, Scuba, Mermaid, and Freediving Explorer programs

    Book Now

Continue Diving

  • Become and SSI specialty diver

    Specialty Diver

    Whatever your passion is, we have an SSI Specialty for your needs, because you can choose from over 20 individual programs. When you complete a certain number specialties, you’ll also automatically earn the SSI Specialty Diver.

    More Info
  • Become and SSI Advanced Open Water Diver in Cornwall

    Advanced Open Water Diver

    Continue your adventures and get the skills and experience you need to dive the world’s best dive sites, with SSI advanced training programs.

    More Info
  • Automatically uograde to the SSI Master Diver certification

    Master Diver

    When you complete a certain number specialties, you’ll also automatically earn the SSI Specialty Diver, SSI Advanced Open Water Diver and SSI Master Diver ratings. These ratings display your competency and build a solid base for more adventures to come.

    More Info

STORE

Get in Touch

Drop us a line to chat about all things diving and discover the adventure that awaits. And don’t worry, we promise to get back to you in a splash!