Specialties
Specialty training with SSI marks the initial stride towards enhancing your safety and proficiency as a diver. Your journey commences immediately after, or even by integrating Specialty programs such as Perfect Buoyancy, Enriched Air Nitrox, and/or Dry Suit into your Open Water Diver course. As long as all coursework and training dives are fulfilled, this integration is feasible.
Specialties

Navigation
Prerequisites
Course Description
Dive into the world of underwater navigation with the SSI Navigation Specialty Diver course.
Navigation is a crucial skill for any diver, whether you're exploring new dive sites or returning to familiar ones. Learn the essential techniques and strategies to confidently navigate underwater environments. Understanding how to navigate a dive increases your comfort level and confidence and reduces potential stressors.
During the course, you'll master the use of a compass and natural navigation techniques, learning how to navigate accurately in various conditions. You'll also learn how to create underwater maps, measure distances, and maintain proper orientation throughout your dives.
Whether you're a beginner or experienced diver, this course is a valuable addition in your diving journey.
Night & Limited Visibility
Prerequisites
Course Description
Night Diving and Limited Visibility Specialty courses offer a thrilling opportunity for scuba divers to explore the underwater world at night. This course is designed to equip divers with the knowledge and skills needed to safely and confidently explore these environments. By learning how to navigate and dive safely in low-light conditions, divers can unlock new adventures and witness marine life in a way that few ever experience
Many marine creatures that are typically hidden during the day come out to hunt, mate, and explore. From bioluminescent plankton to octopuses out hunting, the ocean at night is something you don’t want to miss.
During the course you will go through the importance of proper dive planning and preparation. Divers learn how to conduct thorough pre-dive checks, choose appropriate dive sites, and develop emergency procedures tailored to night diving and limited visibility conditions.
Nitrox
Prerequisites
Course Description
The SSI Nitrox course, also known as the Enriched Air Nitrox Specialty program, offers divers the opportunity to enhance their diving knowledge and skills by learning to safely plan and execute dives using enriched air mixtures.
During the course, participants learn about the benefits and considerations of diving with Nitrox, including how to analyze oxygen tanks, calculate maximum operating depths, and plan dives accordingly. Safety protocols, such as oxygen exposure limits and equipment considerations, are also emphasized to ensure divers can enjoy the advantages of Nitrox diving while minimizing risks. After this you have the opportunity to head out on an ocean dive to explore the depths of one of our beautiful dive sites in the Gilis.
Perfect Buoyancy
Prerequisites
Course Description
With the SSI Perfect Buoyancy Specialty program, divers can refine their skills and unlock a whole new level of underwater comfort and control. Buoyancy is a fundamental concept in scuba diving, influencing everything from diver comfort to air consumption and environmental impact.
The Perfect Buoyancy Specialty program consists of a combination of theoretical instruction and open water dives.During the course you will practice hovering, fin techniques, buoyancy adjustments, and proper breathing techniques.
This not only improves your comfort and safety but also has positive environmental implications. By mastering buoyancy control, divers can minimize their impact on the reef, preserving marine life and habitats for future generations.
Whether you are attempting to capture the perfect video or photo, observing the marine life entering caves and wrecks, this course is a stepping stone critical to enhancing your overall diving experience.
Search & Recovery
Prerequisites
Course Description
The SSI Search and Recovery Specialty is designed to equip divers with the skills and knowledge necessary to locate and recover lost items underwater. Whether it's a dropped camera, a misplaced dive light, or even a sunken artifact, participants in this program will learn the techniques needed to retrieve these items with confidence.
The Search and Recovery Specialty program typically consists of a combination of theory sessions, practical skills training, and dive sessions. Participants will have the opportunity to apply their newfound knowledge and skills in real-world scenarios, culminating in simulated search and recovery missions. During the Search and Recovery Specialty course, participants will delve into both theoretical concepts and practical skills, covering Missing Diver Procedures, Evaluation of Potential Search,Search Patterns, Equipment Usage, Executing a Search Communication and Teamwork. On completion of the course divers will have the skills to execute a recreational search and recovery operation for small to medium sized objects.
Waves Tides & Currents
Prerequisites
Course Description
The SSI Waves, Tides, and Currents Specialty course offers divers the opportunity to gain a comprehensive understanding of the aquatic environment and develop the skills needed to navigate safely and confidently in varying conditions.
Waves, tides, and currents are powerful forces that shape the underwater landscape and influence diving conditions. In this course you will learn about their causes, effects, and patterns. Understanding these natural forces is essential for planning and executing dives safely and effectively.
Participants will learn how to assess conditions, plan dives accordingly, and adapt their dive strategies in response to changing conditions. From managing currents to understanding waves for efficient entry, divers will develop the expertise needed to navigate with confidence.
Upon completion of the Waves, Tides, and Currents Specialty course, divers will emerge with a newfound sense of confidence and competence. Don't let waves, tides, or currents hold you back!
Deep 40 m
Prerequisites
Course Description
The SSI Deep Diving Specialty program is designed to equip divers with the knowledge and skills necessary to safely explore depths between 18 and 40 meters.
During the course, you'll cover essential topics such as dive planning, gas management, and safety protocols specific to deep diving. Through interactive classroom sessions, you'll gain a deep understanding of the physiological and environmental factors that influence deep dives.
In addition to theory sessions, you'll have the opportunity to apply your knowledge in real-world scenarios during open water dives. Under the guidance of your instructor, you'll descend to depths of up to 40 meters.
By completing the course, you'll not only expand your diving horizons but also enhance your confidence as a diver. This course will enable you to access a wider range of dive sites and unlock new opportunities for underwater exploration.

Meet Bethany
Bethany became an Ocean Quest Coral Propagation trainer, teaching scuba divers how to propagate and manage coral nurseries to preserve this fragile ecosystem for years to come! Climbing the SSI Pathway, Bethany is now an SSI Ecology speciality Instructor, teaching Marine Ecology, Fish identification, coral identification, turtle ecology, shark ecology and Invertebrate ecology.
With a huge passion for marine life and environmental sustainability, Bethany is on a mission to educate scuba divers on the complexity and importance of marine animals and their ecosystems.

Meet Sergi
Meet our Instructor Trainer Sergi, the person in charge of our Professional Department, the largest in Indonesia.
Originally from Barcelona, Sergi left a career in Engineering to explore the world and its wonders. It didn’t take long for Sergi to fall in love with scuba diving and pursue it professionally.
Sergi started his professional diving career in Koh Tao, where he gained invaluable experience as an Instructor and Dive Centre Manager, for one of the largest SSI dive centers in South East Asia, before joining our team at Gili Divers.
After years of teaching and certifying over 1,000 students, he decided to share that experience and help shape the next generation of instructors. Besides his leadership in our professional programs, Sergi is also a Technical Diving Instructor.
His attention to detail and pursuit of excellence have become key in the successful training of his students. He is extremely passionate and possibly one of the most patient and calmest instructors out there, making sure you will retain the theory, gain the skills and grow the confidence needed to be a successful instructor, as well as, excell at your Instructor Evaluation. Sergi speaks fluent English, Spanish and Catalan.
Why dive with us?
A Friendly & Certified Team
Our team of certified instructors and guides is passionate about marine conservation and sharing the wonders of the Gili Islands Marine Park with you.
Tailored Courses for Every Level
From beginner courses to professional programs, we tailor each experience to your skill level and interests.
Dive in Comfort & Safety
Our state-of-the-art equipment and well-maintained boats ensure comfort and reliability throughout your dive.
Prime beach front location
Our prime beachfront location offers direct and easy access to dive sites around the Gili Islands.
What is Tech Diving?
Beyond its technical aspects, technical diving is an adventure that unlocks access to rare and uncharted sites, offering an unparalleled experience for marine discovery enthusiasts and those seeking personal challenges.
Why Choose Technical Diving?


Meet Clem, our Technical Diving Instructor
From there, she expanded her teaching range with numerous specialties, alongside regularly leading fun and challenging technical dives. Over the years, she has gained invaluable experience teaching and diving in a wide variety of environments; from the cold, murky waters of the English Channel to the deep wrecks of the Maltese islands, and the vibrant marine life of Oman.
She joined Gili Divers in 2021 where she has taken on the task of growing a dedicated technical diving department. With a focus on personalised training, her main drive is always to create a safe and supportive teaching environment to encourage all divers to progress toward pushing their limits.
With a strong passion for deep diving and mentoring, she aims to empower students by giving them the confidence to achieve their diving goals. As a JJ-CCR Mod2 Mixed Gas diver, she enjoys exploring deep reefs and has a special love for historical wrecks.








