What Is the SSI Open Water Instructor?

The SSI Open Water Instructor (OWI) certification is one of the most prestigious and globally recognized professional scuba diving credentials in the world. Issued by Scuba Schools International (SSI), this certification grants dive professionals the authority to teach, train, and certify new divers independently. Whether you dream of working on a tropical liveaboard, managing a local dive shop, or simply sharing your passion for the underwater world with others, becoming an SSI Open Water Instructor is the definitive gateway to a fulfilling career in the diving industry.

Scuba Schools International was founded in 1970 and has since grown into a powerhouse in dive education. Operating under the strict guidelines of the International Organization for Standardization (ISO), SSI is known for its “Comfort through Repetition” teaching philosophy and its highly advanced digital learning ecosystem. As an SSI Open Water Instructor, you are not just a teacher; you are a brand ambassador, a mentor, and a leader in aquatic safety.

Earning this title requires completing two distinct phases: the Instructor Training Course (ITC), where you learn the methodology of teaching, and the Instructor Evaluation (IE), a rigorous, multi-day examination conducted by an independent SSI Certifying Examiner. Passing the IE proves that you possess the academic knowledge, in-water skills, and professional demeanor required to safely introduce novices to the underwater environment. Once certified, an SSI Open Water Instructor can teach the foundational Open Water Diver course, Enriched Air Nitrox, Diver Stress & Rescue, and several other essential specialty programs.

Who Should Take the SSI Open Water Instructor?

The path to becoming an SSI Open Water Instructor is challenging, physically demanding, and intellectually rigorous. Therefore, it appeals to a specific subset of passionate divers and professionals. The target audience for this certification spans several distinct groups:

• Current Divemasters and Assistant Instructors: For those who have already entered the professional ranks by guiding certified divers or assisting instructors, the OWI certification is the natural next step. It elevates your status from an assistant to an independent educator, significantly increasing your employability and earning potential.
• Career Changers and Gap-Year Adventurers: Many candidates are individuals looking to escape the traditional 9-to-5 corporate grind. The SSI Open Water Instructor certification offers a legitimate, internationally recognized pathway to work in exotic locations, from the Caribbean and Southeast Asia to the Red Sea and the Great Barrier Reef.
• Crossover Instructors: Instructors currently certified by other agencies (such as PADI, NAUI, or SDI) frequently seek the SSI Open Water Instructor rating to expand their employment opportunities. Because SSI requires its instructors to be affiliated with an SSI Dive Center, crossing over is highly attractive for instructors taking jobs at SSI-exclusive resorts.
• Marine Biologists and Conservationists: Professionals working in marine science often become instructors to facilitate underwater research, train volunteer divers for coral restoration projects, or lead educational eco-tourism expeditions.

Ultimately, anyone who possesses a deep respect for ocean safety, a high degree of patience, excellent communication skills, and a desire to mentor others will find immense value in pursuing this professional milestone.

Exam Format & Structure

To become an SSI Open Water Instructor, candidates must pass the Instructor Evaluation (IE). The IE is not a single test; rather, it is a comprehensive, multi-day assessment of your abilities across several domains. The evaluation is conducted by an independent SSI Certifying Examiner to ensure absolute objectivity. The exam structure is broken down into four core components:

1. Written Academic Examinations

Candidates must pass intensive written exams covering both diving theory and SSI standards. The exam is typically computer-based, administered through the MySSI platform, though paper options may be available depending on the testing center.

• Format: Multiple-Choice Questions (MCQs).
• Content: Two main exams. The Science of Diving exam covers Physics, Physiology, Decompression Theory, Equipment, and the Aquatic Environment. The SSI General Standards and Procedures exam tests your knowledge of the rulebook.
• Passing Score / Cut Score: Candidates must achieve a minimum score of 90% on professional-level exams. Any missed questions must be reviewed and remediated with the examiner.
• Time Limit: Time limits vary by region but are generally ample (e.g., 90 to 120 minutes per exam section), emphasizing accuracy over speed.

2. Academic Teaching Presentations

You will be assigned specific topics from the Open Water Diver curriculum (e.g., the effects of pressure on the body, or how to use a dive computer). You must prepare and deliver a classroom presentation to the examiner and your peers. You are graded on your introduction, use of SSI training aids, engagement with the “students,” and your ability to summarize and apply the knowledge to real-world diving.

3. Confined Water (Pool) Presentations

In a pool or confined water environment, you will demonstrate your ability to teach scuba skills. You will brief a skill (e.g., mask clearing or hovering), demonstrate it with absolute perfection (demonstration quality), watch your “students” perform the skill, catch and correct intentionally planted mistakes, and conduct a positive debriefing.

4. Open Water Presentations & Rescue Evaluation

The final phase takes place in open water (ocean, lake, or quarry). You must manage a group of “students” in a real-world environment, ensuring their safety while evaluating their skills. Additionally, you must pass a rigorous Rescue Evaluation, demonstrating your ability to manage an unresponsive, non-breathing diver at the surface, including towing them while administering rescue breaths and egressing from the water.

Where and How to Register for the SSI Open Water Instructor

Unlike some standardized academic tests, you cannot simply walk into a generic testing center to take the SSI Open Water Instructor exam. The process is deeply integrated with the SSI network of training facilities.

Step 1: Find an SSI Instructor Training Center (ITC)
Your journey begins by registering with an authorized SSI Instructor Training Center. These are elite dive shops and resorts that have an SSI Instructor Trainer (IT) on staff. You can locate these centers globally using the official SSI Dive Center Locator.

Step 2: Enroll in the Instructor Training Course (ITC)
Before you can take the exam (the IE), you must complete the prep course (the ITC). You will register for the ITC directly through your chosen dive center. Upon registration, the dive center will unlock the digital professional study materials in your MySSI profile.

Step 3: Schedule the Instructor Evaluation (IE)
Once you successfully complete the ITC, your Instructor Trainer will authorize you to attend an Instructor Evaluation. IEs are scheduled regionally throughout the year. Your dive center will handle the logistics of registering you for the IE event, which is presided over by an external SSI Certifying Examiner.

Note on Online Proctoring: While the vast majority of the academic study during the ITC is done via digital learning on the MySSI app, the actual Instructor Evaluation is a highly practical, in-person event. There is no fully online or remote proctoring option for the physical teaching and rescue evaluations.

Exam Fees & Costs

Becoming a dive professional requires a significant financial investment. The costs associated with the SSI Open Water Instructor certification are typically broken down into several categories. Note: Prices vary significantly by geographic region, dive center, and local currency. Candidates should verify exact pricing with their chosen SSI facility.

• Instructor Training Course (ITC) Tuition: This is the fee paid directly to the dive center and Instructor Trainer for your education. It typically ranges from $1,200 to $2,500 USD. This fee covers the 7 to 14 days of intensive instruction, pool time, and boat/tank fees.
• Professional Digital Materials & Slates: To study for and teach the courses, you must purchase the SSI Professional Base Package and digital kits. This usually costs between $300 and $500 USD.
• Instructor Evaluation (IE) Fee: This is a separate fee paid to SSI (or the examiner) to cover the cost of the independent examination. Expect to pay between $500 and $800 USD.
• Professional Registration & Annual Membership: Upon passing, you must pay your initial pro registration fee and annual renewal dues to remain in Active Status. This is approximately $150 to $250 USD annually.
• Professional Liability Insurance: Required in most regions before you can teach. Policies from providers like DAN (Divers Alert Network) or DiveAssure generally cost $150 to $300 USD per year.

All in, a candidate should budget between $2,500 and $4,500 USD for the complete process from Divemaster to Open Water Instructor.

Eligibility Requirements & Prerequisites

Scuba Schools International maintains strict prerequisites to ensure that only highly experienced and capable divers enter the Instructor Training Course. Before you can even register for the ITC, you must meet the following criteria:

• Age Requirement: You must be at least 18 years old.
• Prior Certification: You must hold an active dive professional rating, typically the SSI Divemaster or SSI Assistant Instructor certification (or an equivalent rating from a recognized agency like PADI or NAUI).
• Logged Dives: You must have a minimum of 75 logged dives to start the ITC, and a minimum of 100 logged dives (totaling at least 65 hours of underwater time) to attend the Instructor Evaluation.
• Science of Diving: You must have completed the SSI Science of Diving specialty, which proves your mastery of dive theory.
• Medical Clearance: You must provide a medical statement signed by a licensed physician within the last 12 months, clearing you for unconditional scuba diving.
• First Aid & CPR: You must hold current training in CPR, First Aid, and Oxygen Administration (completed within the last 24 months).

The application process involves your Instructor Trainer verifying all of these prerequisites in the MySSI system before the ITC begins.

What Does the SSI Open Water Instructor Cover?

The curriculum of the SSI Open Water Instructor program is vast, designed to transition you from a diver who follows rules to an educator who enforces them and understands the profound “why” behind them. The content domains cover several crucial areas:

The Science of Diving (Approx. 20% of focus)

You must possess an expert-level understanding of dive theory. This includes advanced physics (Boyle’s Law, Dalton’s Law, Charles’s Law), human physiology (how the body absorbs nitrogen, decompression sickness, nitrogen narcosis), equipment mechanics (how balanced vs. unbalanced regulators work), and oceanography (tides, currents, marine life injuries).

The SSI Education System & Standards (Approx. 25% of focus)

SSI has a very specific corporate and educational philosophy. You will learn the “SSI Diamond” (Knowledge, Skills, Equipment, Experience). You will be tested on the General Training Standards—knowing exactly what ratios are allowed (e.g., 8 students to 1 instructor in confined water), age limits, depth limits, and administrative requirements for paperwork.

Teaching Methodology & Presentations (Approx. 30% of focus)

This is the core of the ITC. You will learn how to structure an academic lecture, how to use digital training aids, and how to brief and debrief water skills. You will learn the specific sequence of demonstrating a skill: stating the value, showing the hand signals, demonstrating the skill slowly and exaggeratedly, and evaluating the students.

Risk Management & Business of Diving (Approx. 25% of focus)

Uniquely, SSI places a heavy emphasis on the business of diving. You will learn how to acquire new customers, how to retain them through continuing education (Specialties), and how to consult with students on purchasing their own total diving system. Risk management covers liability waivers, emergency action plans, and how to legally protect yourself and your dive center.

Study Materials & Preparation Tips

Preparation is the key to surviving the intense, multi-day Instructor Evaluation. Your primary resource will be the MySSI App and Digital Platform. Unlike the days of carrying massive paper binders, SSI provides all professional materials digitally.

Official Study Materials Include:

• The SSI Instructor Training Course Digital Kit.
• The SSI Science of Diving Digital Manual.
• Digital and physical Cue Cards and Wet Notes (used underwater to remember skill sequences).
• The SSI General Training Standards (your rulebook).

Preparation Tips from Scuba Conquer:

1. Master Your Buoyancy: You cannot teach a student to hover if you cannot hover perfectly still yourself. Spend hours in the pool practicing your skills in a horizontal trim position before the ITC begins.
2. Pre-Study Dive Theory: Do not wait until the ITC to learn physics and physiology. The ITC is meant to teach you how to teach, not to teach you basic dive theory. Use practice exams to ensure your knowledge is at 100% before day one.
3. Shadow Active Instructors: If you are a Divemaster, ask your dive center if you can shadow Open Water classes. Watch how experienced instructors handle panicked students, how they sequence their pool sessions, and how they sell equipment.
4. Practice the Rescue Scenario: The rescue evaluation is physically exhausting. Practice surfacing an unresponsive diver, removing their equipment, and giving rescue breaths while towing them at least a dozen times before the exam.

Retake Policy & What Happens If You Fail

Failing a portion of the Instructor Evaluation is disappointing, but it is not the end of your career. Because the IE is modular, you generally only need to retake the specific section you failed.

If you fail the written exam, you may be allowed a second attempt after a brief review period, depending on the examiner’s schedule and the severity of the failure. If you fail a practical teaching presentation (e.g., you miss a major safety standard during an open water skill), you will be given a chance to remediate and present a different topic the following day.

However, if you fail multiple sections, or if you fail a remediation attempt, you will be required to attend a future IE. In this case, there is usually a mandatory waiting period (often 14 to 30 days) to allow for further training with your Instructor Trainer. Additional fees will apply for re-evaluations, which can range from $150 to the full cost of the IE, depending on how much of the exam must be repeated. Always verify the current retake policies directly with your Certifying Examiner.

Career Opportunities & Salary Expectations

Achieving the SSI Open Water Instructor certification opens doors to a global job market. Dive professionals are in high demand in coastal tourism destinations, cruise ships, and urban retail dive centers.

Common Job Titles:

• Scuba Instructor / Staff Instructor
• Liveaboard Dive Guide / Educator
• Dive Center Manager
• Marine Conservation Officer

Salary Expectations:
The diving industry is lifestyle-driven rather than highly lucrative. According to industry data and sources like the Bureau of Labor Statistics (which groups instructors under recreation workers), base salaries for dive instructors generally range from $20,000 to $40,000 USD annually. However, base salary is only part of the picture. Instructors heavily supplement their income through:

• Commissions on student certifications.
• Commissions on scuba equipment sales (SSI’s business training is crucial here).
• Customer tips and gratuities (especially on liveaboards and high-end resorts).
• Free or subsidized room and board in resort locations.

Advancement paths are clear: an OWI can quickly upgrade to Advanced Open Water Instructor, Specialty Instructor, Master Instructor, and eventually, Instructor Trainer, where salaries and management opportunities increase significantly.

SSI Open Water Instructor vs. Similar Certifications

The dive industry has several major training agencies. While an instructor card from any major agency allows you to teach, there are distinct differences in philosophy, business models, and costs. Here is how the SSI Open Water Instructor compares to its main competitors:

Certification	Governing Body	Key Prerequisites	Approximate Total Cost	Validity / Renewal
SSI Open Water Instructor	Scuba Schools International	18 yrs old, Divemaster, 100 logged dives, Science of Diving	$2,500 – $4,500	Annual renewal. Must be affiliated with an SSI Dive Center.
PADI Open Water Scuba Instructor (OWSI)	Professional Assoc. of Diving Instructors	18 yrs old, Divemaster, 100 logged dives, 6 months as certified diver	$3,000 – $5,000	Annual renewal. Can operate as an independent instructor.
NAUI Instructor	National Assoc. of Underwater Instructors	18 yrs old, Divemaster, 100 logged dives, CPR/First Aid	$2,000 – $3,500	Annual renewal. Emphasizes academic freedom in teaching.
SDI / TDI Instructor	Scuba Diving International	18 yrs old, Divemaster, 100 logged dives	$2,000 – $3,500	Annual renewal. Known for early computer-based training adoption.

Maintaining Your SSI Open Water Instructor Certification

Earning the certification is just the beginning; you must maintain “Active Status” to continue teaching and certifying students. If your status lapses, you cannot legally teach, and you lose access to the digital certification platform.

To maintain your SSI Open Water Instructor certification, you must:

• Pay Annual Professional Fees: Billed at the end of each calendar year.
• Maintain Affiliation: Unlike some agencies, SSI requires its instructors to be affiliated with an active SSI Dive Center or Resort. You cannot teach independently out of the trunk of your car; this ensures quality control and proper equipment maintenance.
• Hold Current Insurance: You must provide proof of professional liability insurance annually (in regions where it is required by law or SSI standards).
• Keep Medical and CPR Current: You must regularly update your CPR, First Aid, and Oxygen Provider certifications (usually every 2 years) and maintain a current medical clearance.
• Continuing Education: SSI encourages instructors to continuously upgrade their skills by attending professional updates, webinars, and earning Specialty Instructor ratings.

Frequently Asked Questions About the SSI Open Water Instructor

Can I cross over to SSI if I am already a PADI or NAUI Instructor?

Yes, absolutely. SSI offers a streamlined “Crossover” program for active instructors from recognized agencies. You do not need to retake the entire ITC. Instead, you attend a crossover course that focuses specifically on the SSI education system, MySSI digital platform, and SSI standards, followed by an evaluation.

How long does the Instructor Training Course (ITC) take?

The ITC typically takes between 7 to 14 days of full-time study and in-water practice. Some dive centers offer part-time ITCs spread over several weekends to accommodate candidates who are working full-time jobs.

What is the hardest part of the Instructor Evaluation?

For many candidates, the Academic Teaching Presentation is the most stressful because it requires public speaking, precise time management, and the seamless integration of digital training aids. Physically, the Diver Stress & Rescue evaluation is the most demanding, requiring immense stamina.

Do I need to buy my own scuba gear to become an instructor?

Yes. As a dive professional, you are expected to own a complete, high-quality Total Diving System. This includes a regulator, BCD, dive computer, exposure suit, mask, fins, and safety accessories (SMB, whistle, cutting tool). Renting gear as an instructor is highly discouraged and often not permitted during the IE.

Is the SSI Open Water Instructor certification recognized worldwide?

Yes. SSI is one of the largest certification agencies in the world and holds ISO certification for its programs. An SSI instructor credential will allow you to find employment in virtually any global dive destination.

Final Thoughts

Becoming an SSI Open Water Instructor is a transformative journey that turns passionate divers into skilled educators and leaders. It requires a deep commitment of time, finances, and physical effort, but the reward—a career that allows you to explore the oceans while changing the lives of your students—is unparalleled.

By understanding the exam structure, preparing diligently for your academic and water presentations, and embracing the SSI philosophy of education, you can confidently approach your Instructor Evaluation. Remember, the key to success is preparation. Dive into the theory, perfect your buoyancy, and utilize all the resources available to you.

For more study tips, dive theory breakdowns, and professional career advice, keep exploring the resources provided by your trusted team at Scuba Conquer.