Open Water Diver

Open Water Diver

Start to the ropes of Scuba Diving

We offer an Open Water Diver Course for you to become a certified SSI Open Water Diver and be recognized worldwide!

To acquire the skills you need, we will train and give you ample time to be comfortable underwater equipped with the necessary gears you need to start your Scuba Adventure! The Open Water Diver course is separated into three parts which are Academics, Pool Training and Open Water Sessions.



  • Be at least 10 years of age or older
  • Able to swim 200m
  • Able to float or tread for 10mins without any swimming aids


  • All course materials
  • 1 Theory session
  • 1 Pool Session
  • 4-5 Open Water Scuba Dives
  • 3D/2N Full board trip to Malaysia / Indonesia / onboard MV Nautica
  • Equipment rental for Pool and Trip (BCD, Regulator, Wetsuit, Weights and Tank)
  • 2-way land and sea transportation, lodging and all meals
  • Instructor fees
  • Certification fees


  • Soft Gear Rental (Mask and fins) – Check with us for the equipment purchase promotion
  • Travel Insurance (Recommended)
  • Air fare (If any)
  • Marine Park fee
  • Batteries for torch
  • Gratitude for Boat Crew / Guide


Scuba diving is a wonderful thing! It is like being in a different world from an hour, just floating and watching the marvelous scene before you. The SSI Open Water Diver course is your ticket to discover the underwater world! Three components comprise the SSI Open Water Diver course and these are Academic, Pool Training and Open Sea Dives.


In Academics, there are two areas of learning:

  • Online independent study via ADA Learning Platform
  • Theory Class

An online training platform is part of the academics class so you can learn theories at your own time and convenience. We will teach you regarding buoyancy and pressure concepts, equipment usage, hand signals, and other theories through an interactive online system with videos and quizzes.

And then, one theory class will be held with an instructor who will tackle additional queries and actual application concepts to prepare you for your pool training.

Theory Chapters




The Ultimate Dive Experience

The Diver Diamond Philosophy

THe Total Diving System

Course Standards and Procedures

Connecting with The SSI Diving Network

Opportunities in Diving

Section 3

Breathing Gas and the Effects on Your Body


Introduction to Pressure Injuries

Basic Respiratory and Circulatory Anatomy

Effects of Pressure on Ascent

Overexpansion Injuries

Decompression Sickness

Proper Ascent Techniques

Flying After Diving

Nitrogen Narcosis

Oxygen Toxicity

Carbon Dioxide Buildup (Hypercapnia)

Carbon Monoxide Poisoning


Review Section 3

Section 6

Your Scuba Diving Experiences and Beyond


Taking Care of Yourself

Avoiding Panic

Proper Response to Difficult Situations

Decision Matrix

Getting Certified and Referral Dives

Continuing Your Education


Review Section 6

Section 1

Your Body And the Aquatic Environment


The Ultimate Dive Experience

A Brief History of Man’s Attempt to Enter the Aquatic Realm

Effects of Pressure on the Surface and Underwater

Squeeze: Primary Effects of Pressure on Descent

Equalization Techniques

Reverse Squeezes

The Snorkeling System

Adaptation to the Aquatic Environment

Underwater Communication


Review Section 1

Section 4

The Value of a Dive Buddy


The Value of a Dive Buddy

Proper Dive Planning Procedures Using a Dive Computer

The Pre-Dive Briefing

Proper Procedures for Shore Diving

Proper Procedures for Boat Diving

Executing the Dive

Calculating Gas Consumption and Time at Depth

Equipment Care and Logging your Dive


Review Section 4


Dive Planning with the SSI Dive Tables


Dive Planning with the SSI Dive Tables

Table 1: The No-Decompression Limits Table

Table 2: The Surface Interval Table

Table 3: The Residual Nitrogen Times Table

Repetitive Dives and the Dive Profile

Section 2

Using Your Life Support Equipment Underwater


Heat Loss in the Water

The Exposure System

Developing Proper Breathing Patterns

The Delivery System

The Information System

The Concept of Buoyancy

The Buoyancy System

The SSI Equipment Service Program

Setting Up SCUBA for Diving

The Accessory System

The Basic Rules of SCUBA


Review Section 2

Section 5

The Ocean and your Diving Opportunities


The Ocean

Ocean Marine Life

Potentially Harmful Marine Life

THe Freshwater Environment

Diving Opportunities


Review Section 5

Pool Training

Before your first dive on open sea, you will undergo pool training. You will be taught the practical aspects of scuba diving and practice the skills you need underwater. Equipment assembly, breathing underwater, and buoyancy control are just some of the things you will learn on this pool session.

What you will learn

Equipment assembly & familiarizationWeight adjustment

Mask and regulator skills

Buddy checks

Entry and exit

Proper Ascent & Descent

Equalization techniques


Hand signals

Controlled emergency swimming ascent

Surface skills

Equipment removal and replacement

What to bring?

Swimwear, Sunscreen, light lunch, water and goggles for your swim test (optional)

Open Water Session

As you finish your pool training, you are then ready for the Open Water Session! Here, you will be completing at least 4 dives and have a chance to apply everything you learned during your pool session. This course will also include travel, accommodation, diving and food.

4-5 Open Water Dives: Departs every Friday 6.30pm and returns every Sunday: 9pm

Dive 1 (<12m)


Mask Clearing (Surface)

Surface Dives (Buoyant)

Buddy Aid and Assistance

Surface Swim

Proper Weighting

Locating the Weight System

Inflate BC

Surface Dives

Surfacing Surface Procedures


Dive 2 (<12m)


Buoyancy Check

Exercises (Shallow Water)

  • Controlled Descent
  • Regulator Clearing
  • Regulator Retrieval
  • Mask Clearing

Review (Deep Water)

  • Controlled Descent
  • Regulator Clearing
  • Regulator Retrieval
  • Mask Clearing


Exercises (Deep Water)

  • Buoyancy Control (Power and Oral)
  • Moving on the Bottom (Optional)
  • Air Sharing (Alternate Air Source)
  • Buddy Breathing (Optional)
  • Controlled Ascent
  • Surface Procedures
  • Buoyancy Check
  • Surface Swim
  • Navigation (Optional)


Dive 3 (<12m)



  • Controlled Descent
  • Regulator Clearing
  • Regulator Retrieval
  • Mask Clearing
  • Air Sharing (Alternate Air SOurce)
  • Buoyancy Control (Power and Oral)
  • Controlled Ascent



  • Air Sharing Ascent (Alternate Air Source)
  • Surface Procedures
  • Removing and Replacing the Weight System (Surface)
  • Navigation (Optional)


Final Equipment Check

Dive 4 (<12m)



  • Controlled Descent
  • Regulator Clearing
  • Regulator Retrieval
  • Mask Clearing
  • Buoyancy Control (Power and Oral)
  • Air Sharing Ascent (Alternate Air Source)
  • Surface Procedures



  • Emergency Swimming Ascent
  • Surface Procedures
  • Removing and Replacing the Scuba Unit (Surface)
  • Navigation (Optional)


Dive 5 (<18m)



Air consumption (Optional)


I want to learn how to dive. Where do I start?

You can start from the basics with Open Water Course. It is a great way to explore the underwater world and is a basic diving course.

If you are still undecided, feel free to check out our Discover Scuba Program so you could experience breathing underwater at a day session and learn the basics of diving at the comfort of a swimming pool. Click here. for more info.

What is the minimum age to become a diver?

You must be at least 10 years old to take the SSI Open Water diving course. An Open Water certification will be given to children and can be upgraded when they turn 15 years old.

What does the SSI Open Water Diving License allow me to do?

The SSI Open Water Diving License allows you to dive up to 18 metres with a buddy after receiving the certification.

How long is the course?

Dive courses occur after office hours to fit working professionals’ schedule. The SSI Open Water course is composed of 1 theory session on Tuesdays at 7-10pm, 1 pool session during Sundays at 9am to 4pm and a weekend trip leaving Friday at 6:30pm and returning Sunday at 9pm. The duration of the course differ depending on sea or land travel times.

Do I need to buy any equipment for the course?

No need to buy equipment for the course but rental of soft gear (mask and fins) is required. Students will be provided with exclusive equipment bundles to have a safer and fun dive.

Do I need to be a good swimmer to learn how to dive?

As long as you can swim a distance of 200 metres or snorkel with mask and fins for 300 meters and do a 10 minute tread/float, that would be enough as it is part of the SSI Open Water requirements to make sure you will be safe on your open sea dives.

How deep will I be going?

Most dives will be around 6 to 12 metres during your course. When you become a certified SSI Open Water Diver, you are then qualified to dive up to 18 metres.

How often are Open Water Trips organised?

The Open Water dive trips to Tioman, Bintan and Phuket are held every week. For more info on the destinations, click here.

Does my SSI Open Water Dive card expire?

The SSI Open Water Dive card does not expire but if you had 6-8 months break from diving, we suggest taking a refresher in the pool so you could enhance your skills and recall the safety concepts to make your succeeding dives safe and at ease. For more info on our refresher course, click here.

Open Water Course Itinerary (Sample)


Every Tuesday
Classroom @ 74 South Bridge Rd, Singapore 058704

7:00pmLearn Buoyancy & Pressure Concepts and more!
10:30pmEnd of Theory Session 1 (3.5 Hrs)

Pool Training

Every Sunday
Pool @ Outram Secondary School, 3 York Hill, Singapore 168622

9:00amLearn Equipment Assembly and Familiarization, Breathing Underwater, Buoyancy Control and more!
4:00pmEnd of Practical Session 1 (7 Hrs)

Open Water Session

Friday, Saturday & Sunday
Departure Dayang / Tioman, Experience Diving Video

Day 1
6:00pmMeet at Gill Divers
7:00pmDepart for Mersing Jetty via coach
10:30pmRest Stop
11:45pmArrive at Mersing Jetty
12.15amDepart for Dayang / Tioman via ferry
Day 2
3.15amArrive Dayang / Tioman
3:30amCheck in Resort
9:00amBreakfast & Briefing
10:30am1st Dive
12:30pmLunch on board
2:00pm2nd & 3rd Dive
6:00pmReturn to resort
7:00pmDinner at resort, Log dives & debrief
Day 3
8:30am4th & 5th Dive
12:30pmLunch, Log dives & debrief
1:30pmCheck out from resort & depart for Mersing Jetty via ferry
Arrive Mersing Jetty
Depart for Singapore via coach
9:00pmArrive Singapore Gill Divers

Whats next?

Of course it does not stop there, you can still move to the next level of your dive adventure! Imagine exploring historical wrecks, swimming with different marine life, or just filming the camera-worthy moments underwater! With just a little more training, the possibilities are just waiting for you.

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