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​Become a dive professional!

​ Instructor Development Course

IDC

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An Instructor Can...

What you can do as an instructor

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You will be able to work at a dive shop or a dive resort

You will be able to work in city-based stores or seaside resorts as a dive professional, not only in Japan but all around the world.

Senior AOW Course Details

You will be able to lead guided dives for certified divers

​You will be able to guide your family and friends underwater in the ocean you love.

OWD Course Confined Water

You will be able to conduct courses independently

You will be able to teach you friends and family how to dive.

  • A PADI Open Water Scuba Instructor can conduct a wide range of PADI programs, from PADI Discover Scuba Diving to the PADI Divemaster Course.

OWD Course Confined Water

The fun continues

as a dive professional

Once you become an instructor, you will be able to use your qualifications and enjoy diving even more.​ Let's spread the wonders of the sea.

​1. Work in a city-based dive shop

2. Work at a local dive shop

3. Work at a seaside resort

4. Work as a part-time staff

For those who have taken the IDC course at our shop and become an instructor, we will introduce various types of shops.

But of course you are welcomed to work with us at Lei Aloha as well!

Available every day starting from 1 person!

The foundation of PADI instructor development is the instructor development course (IDC) held by a PADI Course Director. The IDC consists of the Assistant Instructor (AI) course and the Open Water Scuba Instructor (OWSI) program.

PADI IDC Course Intro

PADI
Instructor Development Course (IDC)

210.000 yen (tax included)

Teaching materials and registration fee incurred separately.

​An additional 44.000 yen for a private lesson.

[Course Content] Minimum 9 days
AI Course 4 days, OWSI 5 days
​〇
Knowledge Development (self-study)
〇Pool Practice
〇Open Water Skills Development

The Instructor Development Course (IDC) is made up of two parts - the Assistant Instructor (AI) course and the Open Water Scuba Instructor (OWSI) program. Most dive professionals complete the entire IDC and go on to attend an Instructor Examination (IE), which is the final step to earn a PADI Instructor certification. Trainings may or may not be conducted in a continuous manner depending on your schedule.

IDC

Instructor Development Course Content

OWD Course eLearning

Independent E-learning

Indepdent learning with the provided manuals and online materials.

Lei Aloha IDC Lecture

Knowledge Development & Workshops

  • Orientation

  • Dive theory workshop

  • PADI System Workshop

  • Open Water Diver Course Scheduling and Setup Workshop

  • Knowledge Development presentation

  • Skills development workshop

  • Confined Water training workshop

  • Open Water training workshop​

  • Sales technique workshop

Lei Aloha Rescue Scenario

Pool Practice / Rescue Skills Assessment

(Pool Practice)

• Perform the 24 dive skills listed on the skill evaluation slate and score a total of 82 points or more. None of the skills can be below 3.0.

• Swim 400 meters non-stop without equipment. 

• Stay afloat for 10 minutes by treading water or bobbing or floating, wearing only a bathing suit and no equipment.​

 

(Rescue  Skills Evaluation)

Demonstrate exemplary quality of simulated rescue of surface panic divers in confined or open water.

Demonstrate exemplary quality in open water rescue of a non-responsive, non-breathing diver on the simulated surface.​

OWSI Course Knowledge Presentation

Knowledge Development Presentation

Deliver a knowledge development course presentation and be assessed with a score of 3.4 or above.

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Confined Water Presentation

Give a confined water training presentation and be assessed, scoring a minimum of 3.4 on one presentation. A single presentation to be conducted by the candidate without a certified assistant.

Lei Aloha IDC Ropework

Open Water Presentations

Deliver an integrated (two-part) open water training presentation and be assessed, scoring a minimum of 3.4 on each skill.

It is also possible to take the Assistant Instructor Course and the Open Water Instructor Course separately.

Lei Aloha AI Course Confined Water

PADI
Assistant Instructor Course (AI)

99.000 yen (tax included)

Teaching materials and registration fee incurred separately.

An additional ​27.500 yen for a private lesson.

The PADI Assistant Instructor Course is the first part of the PADI Instructor Development Course (IDC). This course not only gives you experience as a PADI Professional, it is also the first step in learning the PADI Diver Education System.

PADI
Open Water Instructor (OWSI)

120.000 yen (tax included)

Teaching materials and registration fee incurred separately.

An additional ​27.500 yen for a private lesson.

The PADI OWSI Program is the final step to becoming a PADI Instructor. During this course, you will learn to adapt each student's needs using the PADI Diver Education System. With comprehensive training and diverse materials, you'll also gain a lot of trust from your colleagues and students.

Lei Aloha IDC Course Confined Water Presentation

West Izu Store

13-41 Minami-honcho, Mishima city, Shizuoka Prefecture

East Izu Store

908-139 Futo, Ito City, Shizuoka Prefecture

080-8212-3700

080-8212-3700

English-speaking staff available via Email only.

We apologise for the inconvenience.

Lei Aloha Logo

Marine House Lei Aloha

West Izu Store (PADI 5-Star ID Centre)

13-41 Minami-honcho, Mishima city, Shizuoka Prefecture

East Izu Store (PADI 5-Star Dive Resort)

908-139 Futo, Ito City, Shizuoka Prefecture

Marin House Leialoha is a PADI Five Star Instructor Development Centre committed to teaching and guiding excellence.

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© 2026 Marine House Lei Aloha All Rights Reserved.

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