Night Diving and Limited Visibility

In the SSI Freshwater Ecology specialty program, you will explore how aquatic species interact with each other and their freshwater environments. You will learn about freshwater ecosystems, food chains, predator-prey relationships, and the delicate balance that sustains life beneath the surface. This program deepens your understanding of biodiversity, species adaptations, and habitat protection — giving you the knowledge to recognize and identify aquatic wildlife with confidence. With your new ecological insight, every dive becomes a discovery. Start online today and earn your SSI Freshwater Ecology certification.

Take an Enriched Air Nitrox Specialty course if you want to shorten your surface intervals and extend your dive time. This way, you’ll spend more time exploring your favorite dive sites instead of waiting! This course will expand your diving knowledge so you can plan safe dives using enriched air mixtures with up to 40% oxygen. Upon completion of the course, you’ll receive an SSI Enriched Air Nitrox certification for 32% or 40%.

In this sidemount diving course, you’ll learn all you need to go single or two-cylinder recreational sidemount diving up to a maximum depth of 30 meters or to your certification depth, whichever is deeper. Sidemount diving is already common practice for wreck, mine, and cave divers, but now the benefits are being discovered by more recreational divers. With no heavy tank on your back, you’ll be more comfortable in the water and find your streamlining and trim improve effortlessly. By using less energy you may reduce your gas consumption so you can make the most of your dive time. With better buoyancy control, easier access to your valves and more redundancy as well, sidemount diving offers safety and peace of mind. This is the best sidemount diving course to discover and enjoy the enticing advantages of this dive style. You learn all the skills and knowledge you need to safely and comfortably dive with a single or two-cylinder sidemount equipment configuration.

There are many challenging mountain lakes, and most of these lakes offer exceptional visibility—a rarity in freshwater. I wonder what there is to see down there?The SSI Mountain Lake Diving Specialty provides the answer.When diving at an altitude of 300 to 3,000 meters above sea level, you are performing an altitude dive, also known as “Altitude Diving.”Most algorithms are designed to plan dives up to 300 meters. During your Altitude Diving Program, you’ll learn everything you need to know to plan and safely conduct dives at higher altitudes.Content:Planning, Organization, Procedures, Techniques, Problems, and Hazards of Mountain Lake DivingSpecialized equipment for deep dives > 300mSafety Stops and Emergency Decompression Procedures for Deep Dives > 300m

The SSI Science of Diving Specialty course provides you with a comprehensive understanding of the underwater world and its effects on the human body. The course serves as the foundation for most SSI Professional courses as well as for some Extended Range courses and is an essential component for deepening your diving expertise. You can complete your SSI Science of Diving Specialty certification online from home. Upon completing the course, you’ll be halfway toward earning the coveted SSI Divemaster certification and will receive your Science of Diving certification.

12-session wet suit rental package (Pay 10 times, rent for 12 sessions)

With no heavy equipment, freediving lets you move underwater with ease. It is the purest form of diving and gives you an incomparable feeling of oneness with the water. The SSI Try Freediving program allows you to go freediving in confined water and discover why freedivers genuinely love their sport. Join us today and discover your inner freediver!

Drysuit diving opens up a world of opportunities, including diving remote Arctic destinations and exploring cold-water dive sites teeming with life. Dry suit diving also keeps you warm on multi-dive days when you do not want to spend your time getting in and out of a cold wetsuit. The SSI Dry Suit Diving specialty program is the best way to become a dry suit diver and teaches you all the knowledge and techniques you need to dive safely and comfortably in a dry suit. You will learn how to use specialized equipment, like dry suits and BCs, the benefits of dry suits and how to deal with dry suit emergencies – which are unique to this type of diving. Upon completion, you will earn the SSI Dry Suit Diving specialty certification.

Dive into the JURA! On November 8, 2026, we’ll set off from Kreuzlingen to one of Lake Constance’s most famous wrecks—the historic JURA.Look forward to a special dive to a real piece of Lake Constance history! ????????Two Departures – TEC & Recreational Divers- Kreuzlingen TG Harbor- November 8, 2026Spaces are limited—register now and join us!

Dive into the JURA! On November 8, 2026, we’ll set off from Kreuzlingen to one of Lake Constance’s most famous wrecks—the historic JURA.Look forward to a special dive to a real piece of Lake Constance history! ????????Two Departures – TEC & Recreational Divers- Kreuzlingen TG Harbor- November 8, 2026Spaces are limited—register now and join us!

Night dives require skills that are very different from those needed for daytime dives. The SSI Night Diving & Limited Visibility Specialty course is the best way to learn everything about night diving and practice the necessary techniques that will make you a safe and confident night diver. This course will equip you with all the knowledge and skills you need to dive safely and comfortably at night or in conditions of limited visibility. Through a balanced mix of online learning and open-water dives, you’ll learn how to use specialized equipment, master proper entry and exit techniques, and discover how to communicate with your dive buddy at night and in limited visibility. Upon completion of the course, you’ll receive the SSI Night Diving and Limited Visibility Specialty certification and will be ready to dive into the darkness with confidence.

As a deep diver, you have the unique opportunity to discover some of the world’s best dive sites and the most popular marine life. There is so much waiting for you in the deep blue sea. Through a balanced combination of classroom sessions and open-water dives, the SSI Deep Diving Specialty course will teach you everything you need to know for dives between 18 and 40 meters. You’ll learn how to plan and conduct your deep-diving adventures safely and how to get the most out of your deep dives using dive computers and gas consumption calculations. Upon completion of the course, you’ll receive your SSI Deep Diving Specialty certification and can explore the most beautiful deep dive sites wherever you want. This SSI Specialty is also a prerequisite for other advanced training courses, making it the next logical step in your diving education.

It is easy for dive skills to get rusty and to lose confidence when you have not dived for a while. With the SSI Scuba Skills Update, we will get you back in the water and diving with ease in no time. This scuba refresher course allows you to review and practice scuba skills you learned in your Open Water Diver program, under the guidance of an SSI Professional. This is a great course to take just before a dive holiday, so you spend less time worrying about your skills and more time admiring the marine life. If you are a non-certified Open Water Diver student, a Scuba Skills Update is ideal for practicing your dive skills before your open water training dives. With no fixed course duration, you can take your time and focus on the skills you need help with.

This certification is recognized worldwide and is the best way for a trained diver to embark on an adventure that will stay with you for a lifetime. The combination of personalized instruction and hands-on training ensures that you acquire the skills and experience of a confident, safe diver. Upon completion, you will receive the SSI Open Water Diver certification.