Try SCR Diving with the Mares Horizon
For divers seeking to leave their large scuba cylinder behind, sign up for an SSI Try SCR Diving experience today! In this introductory SCR course, you will try a revolutionary semi-closed rebreather system that is easy to use, natural to dive, and designed with all levels of diver in mind. The Mares Horizon is in a class of its own amongst semi-closed rebreathers. Enjoy a new experience diving with fewer bubbles, improved buoyancy, and increased dive time. The Mares Horizon semi-closed rebreather is the perfect companion for avid photographers and wildlife enthusiasts. Get up close and personal with marine life; Try SCR Diving today!
Learn technical diving with SSI
SSI has developed specific training materials with exciting, cutting-edge manuals developed by industry professionals with decades of technical diving experience. As with all SSI programs, Extended Range is designed to fit your schedule. Training is flexible to match your goals and objectives. With theThe range of open-circuit programs provides training in either sidemount or twinset configurations, meaning you can develop your skills up to a maximum depth of 100 meters. During your program, your instructor will cover everything including supreme buoyancy, propulsion, equipment management, and effective decompression. Learn how to extend your dive times by joining the growing community of Mares Horizon semi-closed rebreather divers. With both no-decompression and decompression diving programs available on this light-weight simple unit, you will never look back to blowing bubbles again.
Explore the silent world with the SSI Closed-Circuit Rebreather (CCR) programs. With a continuum of training programs available from 30 to 100 meters on the rEvo, JJ, SF2, AP Inspiration, Prism 2, or Poseidon CCR, you can find the perfect pathway that suits your diving needs. You will learn and master new skills designed to enhance your safety and enjoyment using this new equipment design. Academically you can advance your knowledge and understanding of principles, procedures, and theories specific to diving safely in an overhead environment. Explorers will love the SSI overhead program options of either diving in a wreck, cave, or mine. You will adapt your existing equipment or be introduced to new equipment concepts and the technically oriented dive configuration to make exploration of the overhead environment safe and rewarding. SSI has invested in the development of specific technical diving training materials with exciting, cutting-edge manuals that include review sessions, a specific technical diving logbook, and wetnotes.
Digital Learning & Academics
SSI has mastered the use of digital technology to make your learning experience easy.
You can start by studying the academics anytime, anywhere at your own convenience and your selected Training Center will schedule your review and in-water training sessions.
During the pool/confined water training, your SSI Instructor will teach you all the necessary skills in a controlled environment until you are comfortable and ready to go to the open water. During the open water training dives, you will apply your knowledge and repeat the skills in a real-world environment under the supervision of your Instructor.
Once you have completed all required training sessions, final exam and open water training dives, your SSI Training Center will issue your digital certification card which will show up instantly on your MySSI App.
We congratulate you on your accomplishment and welcome you to SSI’s global diving community.
Facts and Training Standards
Amount of Academic Sessions
Amount of Pool/Confined Water Sessions
12 m / 36 ft
Maximum Training Depth
Suggested duration (h)
Experience the silent world of rebreathers
Here are the benefits you can expect from attending this training program:
Discover the fascination of rebreather diving
Enjoy this lightweight revolutionary rebreather
Gain knowledge of the basic theories behind SCR diving
Register free and start training right away!
To get started, simply create a free user profile at my.divessi.com/register or directly through the MySSI App and you will get immediate access to SSI’s free trial programs. During registration you will need to select an SSI Training Center to affiliate with to guide you through the training process. Just check the Center Locator for your Center of choice, their upcoming training schedule, travel, and social events, and much more.
Simply download the MySSI App from your preferred app store, set up your profile, and discover the world of diving with the following benefits:
Continue your SSI Extended Range Training
Did you enjoy diving with the Mares Horizon in the Try SCR course? Start your rebreather training on a semi-closed rebreather in the SCR Diving course and conduct no-decompression dives to a maximum depth of 30 meters. Do you want to take your semi-closed rebreather deeper? Take the SCR Extended Range program and learn to dive safely to a maximum depth of 40 meters. Are you looking to dive deeper or longer than even semi-closed rebreathers allow? Take the next step in your technical diving journey and become a closed-circuit rebreather diver with SSI’s CCR Diving course.
Dive into the world of rebreathers with this entry-level semi closed rebreather certification. Learn how to independently plan and conduct no-decompression dives to a maximum depth of 30 meters using the Mares Horizon rebreather.
Discover underwater silence with the SSI CCR Diving program. Learn all you need to go no-decompression diving to a maximum depth of 30 meters using the SF2, JJ, Poseidon, AP Inspiration, Prism 2, or rEvo rebreather. Start rebreather diving today!
SCR Extended Range (HORIZON)
Advance your rebreather training with SCR Extended Range. Maximize your semi-closed rebreather dive planning, go deeper, sharpen your rebreather diver skills, and strengthen teamwork. Use the Mares Horizon rebreather for this ultimate adventure!
SSI Entry-Level Programs – Open Water Diver, Freediving Level 1, or Mermaid require students to complete a water fitness evaluation prior to open water training. The goal of this evaluation is to determine a comfort level baseline consisting of:
To start training, students must create a MySSI profile. This can either be done via the SSI website at www.divessi.com/register or by installing the MySSI App.
Simply download the app for either iOS or Android, set up the user profile, and access the world of diving in minutes! The MySSI App safely stores everything in one place, online or offline – training materials, logbook, and certification cards. This includes Recreational Scuba, Extended Range, Freediving and Mermaid.
Training Center Selection & Affiliation
Every student must select an SSI Training Center as their “Training Partner” during the course registration process. Affiliation ensures personalized service and a high-quality training experience.
Medical & Administrative Requirements
Each student or candidate must complete the required SSI Training Record Forms prior to participating in any SSI training program. The forms for minors must be reviewed and signed by a parent or guardian.
Responsible Diver CodeSSI Responsible Diver Code - Scuba Diving SSI Responsible Diver Code - Freediving SSI Responsible Diver Code - Extended Range Diving
Diver Medical Statement & Questionnaire or Physician’s Approval to Dive (where required)
Training Assumption of Risk, Liability Release, & Liability Release, & Hold Harmless Agreement (where required / not applicable within the European Union)
Program-specific Completion Record (done by the Instructor prior to certification)
Training Course Costs
Training consists of various components which are either charged singly or as a package depending on the selected Training Center. The components are:
Training Materials / Digital Kit
Tuition for Academics and In-Water Training
Open Water Training Dives
Technical Diving Featured Destinations
SSI’s Extended Range allows you to go beyond the limits of recreational diving. This extensive compilation of globally recognized tec diving programs will equip you to go decompression diving, explore more challenging environments, and use new equipment configurations.