
The United States Navy master diver is the highest level in the diving industry. The most experienced, knowledgeable and trained enlisted person in the diving and underwater rescue industries is this master diver. At least 15 years' experience is required to become a master diver. You also need to have taken a specialization class. In the United States Navy, you can earn your master diver status by taking a specialization course.
PADI Master Scuba Diver
PADI Master Scuba Diver is an international certification that recognizes your scuba diving skills. This program is offered by several North American diving training agencies including the National Association of Underwater Instructors (NAUI), the Professional Association of Diving Instructors (PADI), Scuba Schools International and the Professional Scuba Diver Association. This course is considered the most prestigious level of dive certification. While completing the course, you will need to dive at least 30 feet under water.

NAUI Master Scuba Diver
The NAUI Master Scuba Diver Course might be for you if your goal is to improve your scuba diving skills. This course will give you the knowledge and skills you need to organize dives with other divers. The course will teach you how to use a GPS, make underwater communications, and identify pre-panic signs. Additionally, you will learn how to take a dive in unfamiliar locations. This course consists of both two open water and a classroom session.
NAUI Enriched Air (Nitrox) Diver
To enhance your diving experience, the NAUI Master Diver Course in Enriched Air (NITX). This course will teach you how to mix Nitrox with oxygen, and many other aspects of enriched water diving. Students will learn to analyze the air mixture, how nitrogen and oxygen work together, and what hazards can be expected when handling each gas. They'll also learn about Equivalent Water Depth and common gases mixing techniques. You can take the enriched-air course as an extension to your open water diver certification. This is required in order to be able use the enriched mix.
NAUI Rescue Scuba Diver
To achieve your dream of becoming a NAUI Rescue Scuba Diver Master Dive Instructor, you must complete the necessary courses. This certification is a prerequisite for taking the NAUI FIT class, which prepares one to become a professional NAUI Instructor/Leader. You can start by enrolling in the Try Scuba Program. This program is designed to give you the knowledge and skills necessary to safely dive into open water.

NAUI First Aid Course
The NAUI First Aid Course for Master Divers will help you respond to various emergencies in the water. This course provides refresher sessions and valuable information on First Aid standards and best practices. NAUI First Aid training will provide you with all the information necessary to be able to react quickly to any emergency. This course allows you to put into practice what you've learned in class.