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Discover the thrill of breathing underwater and unlock a whole new world with Gary Gray Scuba. Our Learn to Dive program follows official NAUI training standards and is led by Gary Gray—an instructor with decades of experience and a calm, confidence-building approach.
Training begins in our heated indoor pool in Pittsfield, Maine, using professional-grade equipment we provide. You’ll master essential skills in a safe, supportive environment—at your pace, with zero pressure. Whether it’s your first time or you’re ready to finally get certified, we’ll guide you every step of the way.
We don’t rush. We don’t cut corners. We teach you the right way—so when you’re ready for open water, you’ll be ready for anything.
Explore our courses and take the plunge today.
Gary Gray is a certified NAUI Scuba Instructor—an achievement that represents the highest standard of diver education worldwide. NAUI instructors are trained to deliver in-depth, safety-first scuba instruction with flexibility and precision. When you train with Gary, you’re learning from one of the most respected certifications in the industry.
Before beginning your SCUBA training, you’ll need to complete and review a few essential documents. These forms are designed to ensure your safety, clarify your responsibilities, and comply with medical and legal requirements for diving. Please read each document carefully and submit any required signatures before your first in-water session. If you have any medical conditions or concerns, please consult a physician using the provided Diver Medical Participant Questionnaire and Guidance.
Purpose: To determine if you are medically fit to participate in SCUBA diving activities.
Instructions: Complete this form honestly. If any medical conditions are indicated, a physician’s evaluation and approval will be required.
Purpose: To provide medical professionals with the standards and considerations for evaluating a diver’s fitness.
Instructions: Share this document with your doctor if your questionnaire indicates a need for further evaluation.
Purpose: To acknowledge the inherent risks of diving and release the training organization and instructors from liability.
Instructions: Read carefully and sign before your first training session.
Purpose: To outline expectations, responsibilities, and conduct required for successful completion of your SCUBA or skin diving training.
Instructions: Review and sign this form to confirm your understanding and agreement to course policies.
This entry-level certification course trains students how to use the hookah diving system. Graduates are considered competent to use the hookah diving system(s) used in training and engage in open water hookah diving activities without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training. This course does not qualify graduates as scuba divers. This course does not qualify graduates as scuba divers.
This supervised diver, non-certification course is an introductory, resort-style course suitable to introduce non-divers to scuba diving. Participants scuba dive in closely controlled conditions. Students may participate in an optional open water dive to a maximum depth of 12m (40ft) if an Instructor conducts all confined water work. Upon course completion a digital participation certificate will be available in the NAUI App. At any point, the program may be converted to the NAUI Scuba Diver or NAUI Open Water Scuba Diver course.
This continuing education course is a non-certification course which offers supervised refresher experience at the Scuba Diver level for divers who need to re-establish proficiency owing to diving inactivity in light of intended dive trips or other factors. Divers who have completed the Refresher Scuba course may use the documentation to assist dive guides, Divemasters, resort owners, and others in evaluating the diver’s training level and readiness to participate in specific diving activities.
This entry-level course meets the requirements for ISO Level 2 – autonomous diver certification. It will teach divers the fundamental knowledge and skills to scuba dive and engage in open water diving activities without supervision, provided the diving environment, activities, areas dived, and the equipment approximate those of training.
This NAUI program provides diving credentials to persons with disabilities whose disability prevents them from completing all requirements for certification in a NAUI Open Water Scuba Diver Standard.
Graduates are considered competent to engage in open-water diving activities with allowances for their specific accommodations. NAUI seeks to offer diving to a diverse audience and offers accommodations in line with the Americans with Disabilities Act (ADA). The ADA requires that reasonable accommodations must be made for disabled students seeking diver training or supervision. Within the ability and comfort of their NAUI diving instructor.
This continuing education course for certified divers is a program designed to introduce and aid divers in gaining experience in a variety of open-water diving activities. Participants will complete six dives; three must be in night/limited visibility, navigation, and deep (beyond 18msw/60fsw within recreational limits). Graduates of this course are considered competent to engage in open water diving activities without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training.
This entry-level course is for experienced scuba divers with no recognized recreational diving certificate. These divers may have military, commercial, or scientific diving training or may not have any formal training. Upon successful completion, divers will receive a NAUI Open Water Scuba Diver certification with all designated qualifications.
This specialty course provides the diver with the knowledge and skills to plan and conduct dives while minimizing risks. Deep dives are between 18 and 40 m (60 and 130 ft.) and do not require any decompression stops. Graduates are considered competent to engage in open water diving activities without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training.
This continuing education course provides the use of dry suits and how to become familiar and comfortable with their thermal protection options, controls, and buoyancy characteristics. Graduates are considered competent to engage in open water diving activities, while using a drysuit, without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training.
The Master Scuba Diver course is a continuing education program designed for certified divers seeking to expand their knowledge, skills, and enjoyment of scuba diving. This course is highly interactive and emphasizes student participation, with practical applications in open water following classroom discussions.
Rather than offering a definitive study in each diving activity, the course presents an advanced progression of previous topics. Some areas may be reviewed and expanded, while others focus on real-world diving skills like navigation and safety. For example, during a navigation dive, students may be asked to swim a reciprocal course and return to within 10 feet (3 meters) of the origin.
Students will complete a series of dives and training sessions that may be signed off individually in their Dive/Training Log. Once all course requirements are fulfilled, students will be certified as competent to dive independently in conditions similar to those experienced during training.
This course also serves as a stepping stone toward NAUI Leadership roles.
To enroll in the Master Scuba Diver course, students must meet the following requirements:
Minimum Age: 15 years old by the start of the water phase.
Certifications Required:
NAUI Advanced Open Water Scuba Diver (or equivalent)
NAUI Rescue Scuba Diver (or equivalent)
Experience & Evaluation:
The instructor must ensure the student has sufficient diving knowledge and skill before any open water training begins.
A screening/evaluation dive (not counted toward the course total) may be conducted if the instructor is unfamiliar with the student’s diving proficiency.
Equipment Requirements:
Students are responsible for supplying, maintaining, and caring for their own dive gear.
Instructors will assist in the initial gear check to ensure all equipment is appropriate and in good working condition.
The NAUI Divemaster rating is the highest leadership-level certification offered by NAUI, second only to Instructor. This advanced program is designed for experienced and knowledgeable divers who want to lead and organize open water dives and other approved diving activities.
An active-status NAUI Divemaster is qualified to:
Organize and conduct dives for certified divers in environments similar to their training
Conduct NAUI recognition programs (e.g., International Diver) and issue recognition materials
Conduct refresher scuba training for certified divers
Teach the NAUI Introduction to Scuba (confined water only)
Teach the NAUI Skin Diver course
Assist active-status NAUI Instructors in teaching diving courses
With additional approval from the NAUI Training Department, Divemasters who meet the necessary requirements may also teach:
NAUI First Aid provider courses
Underwater Archaeology
Underwater Digital Imaging
Underwater Hunter and Collector
Underwater Naturalist
Each of these specialty teaching roles requires advance individual approval by the NAUI Training Department.
Divemasters who meet all prerequisites are also eligible to enroll in the NAUI Instructor Training Course (ITC). Leadership members enjoy benefits outlined in the NAUI Bylaws and Standards, and may renew membership annually by meeting the renewal requirements.
To enroll in the Divemaster course, candidates must meet the following criteria:
Minimum Age: 18 years before enrollment and training start
Diving Experience:
A minimum of 60 logged open water dives
At least 30 hours of bottom time
Dives must be varied in depth, environment, and activity
Skills Evaluation:
The instructor must ensure the diver has adequate skill and knowledge before beginning open water training.
One evaluation dive (not counted toward the course minimum) may be conducted unless the instructor already knows the diver’s proficiency level.
This specialty course is to train divers to assist others during training activities overseen by an active-status NAUI Instructor. This course is to enhance the diver’s general skills and abilities and is not a substitute for specific NAUI courses which create NAUI leadership members. Certified training assistants are qualified to perform the tasks of temporarily directly supervising remaining students while an instructor conducts a skill with other students.
Age. Minimum is 18 years by the water phase of the course.
Certification/Experience/Knowledge.
Certification as a NAUI Advanced Open Water Scuba Diver or the equivalent is required.
Certification as a NAUI Rescue Scuba Diver or the equivalent is required.
Current certification in first aid and CPR is required. Note: Adult CPR training (approximately four hours) meets the requirement for NAUI Training Assistant certification. However, additional CPR training that includes two-person CPR and the use of rescue breathing barrier devices, e.g. pocket mask, face shield, is required to meet the requirements for NAUI leadership certification.
The instructor is to ensure adequate student knowledge and capability before any open water training and shall use skill or other evaluations to do so. One open water dive (which does not count toward the minimum number of dives required for the course) may be used as a screening and evaluation dive. This is not required when the student’s diving proficiencies are well known to the instructor.
Equipment. Students shall furnish and be responsible for the care and maintenance of their own diving equipment. The instructor shall initially assist the student in checking all student gear to ensure it is adequate and in proper working order.
This program is designed to introduce students to diving instruction basics. It teaches the fundamental water skills needed to be a capable assistant and is a recommended step in the progression to becoming an Instructor. After successfully completing the course, participants earn the privilege of becoming a NAUI member and once in active status, are qualified to assist active status NAUI Instructors with courses, provided the activities and locale approximate those in which the Assistant Instructor is trained.
Age. The minimum age of 18 must be reached to enter NAUI Leadership, unless otherwise defined in the course. The minimum for each level of training is to be reached prior to the enrollment and start of the course.
Certification/Experience/Recognition of Prior Learning (RPL).
Certified as a NAUI Open Water Scuba Diver or the equivalent.
Certification as a NAUI Rescue Scuba Diver or the equivalent.
Certified as a NAUI Nitrox Diver or equivalent.
Certified as a NAUI Master Scuba Diver or equivalent.
Certified in Diving First Aid for Professional Divers (DFA Pro) or equivalent.
Unless otherwise prohibited by law or legal code.
This continuing education course is for students enrolled in a NAUI open water course or certified as an open water scuba diver. The course may be taught as a stand-alone specialty course to certified divers or the knowledge and skills training may be integrated into other NAUI certification courses including the NAUI Open Water Scuba Diver course. This course provides divers with the skills to utilize EANx as a breathing medium.
Age. Minimum is 15 years by the water phase of the course. (Junior certification for ages 10–14 years is allowed. See “Policies Applying to All Courses: Age, Junior Certification.”)
Certification/Experience/Knowledge.
Current enrollment in a NAUI Instructor conducted open water scuba course or certification as a NAUI Open Water Scuba Diver or the equivalent is required. The instructor is to ensure adequate student knowledge and capability before any open water training and shall use skill or other evaluations to do so. One open water dive (which does not count toward the minimum number of dives required for the course) may be used as a screening and evaluation dive. This is not required when the student’s diving proficiencies are well known to the instructor.
Equipment.
Students shall furnish and be responsible for the care and maintenance of their own diving equipment. The instructor shall initially assist the student in checking all student gear to ensure it is adequate and in proper working order.
This specialty course is for open water scuba certified divers or skin diver certified divers. It provides the diver with the skills and knowledge needed to minimize the risks of diving at night. Upon successful completion of this course, graduates are considered competent to engage in open water diving activities without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training.
Age. Minimum is 15 years by the water phase of the course. (Junior certification for ages 10–14 years is allowed. See “Policies Applying to All Courses: Age, Junior Certification.”)
Certification/Experience/Knowledge.
Certification as a NAUI Open Water Scuba Diver or the equivalent is required. The instructor is to ensure adequate student knowledge and capability before any open water training and shall use skill or other evaluations to do so. One open water dive (which does not count toward the minimum number of dives required for the course) may be used as a screening and evaluation dive. This is not required when the student’s diving proficiencies are well known to the instructor.
Equipment.
Students shall furnish and be responsible for the care and maintenance of their own diving equipment. The instructor shall initially assist the student in checking all student gear to ensure it is adequate and in proper working order.
This specialty course is to provide divers with the skills and knowledge to do those underwater tasks commonly needed by the experienced recreational diver and to minimize the risks of such tasks while searching for and recovering items that have been lost in the aquatic environment. Graduates are considered competent to engage in open water diving activities without supervision, provided the diving environment, activities, areas dived, and equipment approximate those of training.
Age. Minimum is 15 years by the water phase of the course. (Junior certification for ages 10–14 years is allowed. See “Policies Applying to All Courses: Age, Junior Certification.”)
Certification/Experience/Knowledge.
Certification as a NAUI Scuba Diver or the equivalent is required. The instructor is to ensure adequate student knowledge and capability before any open water training and shall use skill or other evaluations to do so. One open water dive (which does not count toward the minimum number of dives required for the course) may be used as a screening and evaluation dive. This is not required when the student’s diving proficiencies are well known to the instructor.
Equipment.
Students shall furnish and be responsible for the care and maintenance of their own diving equipment. The instructor shall initially assist the student in checking all student gear to ensure it is adequate and in proper working order.
This continuing education course trains divers in the knowledge and skills needed to manage risks and effectively handle limited in-water problems and diving emergencies. The course will include the following: assists, transports, surface rescues, and rescues from depth involving both boat- and shore-based skin and scuba divers. The course meets the prerequisite rescue training for NAUI Skin Diving Instructor, NAUI Assistant Instructor, NAUI Divemaster, and NAUI Instructor certifications.
Age. Minimum is 15 years by the water phase of the course. (Junior certification for ages 10–14 years is allowed. See “Policies Applying to All Courses: Age, Junior Certification.”)
Certification/Experience/Knowledge.
Certification as a NAUI Open Water Scuba Diver or the equivalent is required. The instructor is to ensure adequate student knowledge and capability before any open water training and shall use skill or other evaluations to do so. One open water dive (which does not count toward the minimum number of dives required for the course) may be used as a screening and evaluation dive. This is not required when the student’s diving proficiencies are well known to the instructor.
If Basic Life Support (BLS) CPR & First Aid and Emergency Oxygen for Scuba Diving Injuries (EO2) certification are not offered as part of the course, a current equivalent certification is required, unless otherwise prohibited by law or legal code.
Equipment.
Students shall furnish and be responsible for the care and maintenance of their own diving equipment. The instructor shall initially assist the student in checking all student gear to ensure it is adequate and in proper working order.