Diving and Marine Conservation

founded in 1989
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Coordinator | Lauren
Coordinator | Lauren
Book with Flex Option! Choose new departure dates or change to a different volunteer program at no extra costs.


Explore untouched and uninhabited parts of the Cambodian island Koh Sen
Experience the historically complex and incredibly diverse Cambodian culture
Meet likeminded individuals and lifelong friends in fun and exciting scenarios
Become a fully qualified diver, or have the opportunity to broaden your diving experience
Create a powerful contribution to the existing environment and vital ecosystems in Cambodia
Stay on an incredible uninhabited island surveying Coral Reefs, gather important data for conservation efforts and enjoy the beauty of this untouched underwater haven. This volunteer program is especially suitable for:
Age 16+

Located just 15 KM’s from the mainland this untouched and uninhabited island is a tiny paradise away from all the hustle and bustle.  Only 300m x 900m  in size, the surrounding waters are pristine and untouched and home to a bounty of sites for divers of all experience levels.

With coral reefs and plenty of marine life, the island is basically undiscovered and completely off the tourist trail.  Here you will experience genuine Cambodian culture and unspoiled natural habitat.

For beginner divers, you’ll have the chance to become a fully qualified diver including emergency first-aid response course and first hand coral reef surveying experience.  As a volunteer you’ll also have the opportunity to participate in community projects which assist the tiny island in ensuring economical and ecological sustainability.

 A PADI open water certificate is required to partake in the program.

For those without a certificate, you can obtain one through the program at the following additional costs.  Paid direct;

  • PADI Open Water: USD$400
  • PADI Open Water Advanced: USD$350
  • PADI Open Water + Advanced Package: US$700
    (Subject to currency flucuations)

Typical day

  • Introduction and update on the project from the team
  • Introduction to the island and Khmer customs, language and culture
  • PADI Open Water course and/or advanced (if applicable)
  • Introduction to marine conservation and ecology lectures
    • Classroom species ID skills and test
    • In-water species ID practice and exams
    • Coral reef survey methodology and dry run
    • Coral reef surveying and underwater data gathering
    • Community projects with local people on the mainland
    • Khmer language lessons
    • Community projects
    • Data collation and entry
    • De-brief and presentations

Free-time activities

On weekends, volunteers are invited to relax around the island exploring the local geography on treks or small hikes, or participating in water activities such as snorkeling, diving, sailing and kayaking.

Water Sports


In order to join the program you need to be at least 16 years old on the program start date.
Language Skills
You need to speak English (basic level)
Nationality Restrictions
No restrictions. Helping hands from all over the world are welcome.
Other Skills
PADI Open Water Diving certificate
Time Commitment
Your helping hand will be required on Monday, Tuesday, Wednesday, Thursday and Friday

What's Included

Services by Involvement Volunteers IVI
  • Arrival  airport transfer
  • 3 Meals p/day weekdays, 2 meals p/day weekends
  • Accommodation (Volunteer Centers – shared dorm style rooms)
  • Daily ground transportation (to/from project)
  • Training & supervision as required
  • Use of necessary equipment incl program materials
  • 24/7 emergency assistance, volunteer support, local guiding and advice
  • Touring & excursions as per itinerary
  • Certificate of Completion 
Airport Pickup at Siem Reap International Airport
Our friendly driver will pick you up from the airport and take you to your accommodation to ensure a positive welcome experience to the program. Please ensure to keep your volunteer manager up to date with your travel information.

Accommodation consists of bunk beds in a shared room at the project base on the Island of Koh Sen. Bathroom facilities are shared amongst participants. 

Standard Accommodation

Free beverages


Persons per room


Wifi in public areas


Laundry facilities

No *

Safety box


Lockable rooms


Hot shower


Private bathroom


Bed linen




Mosquito protection




Dorm Room
Food & Beverages
All food is included during your volunteer stay. The meals will be typical Cambodian, including plenty of vegetarian rice and fish dishes with some western style meals also included.
Internet Access
Sorry, no access at the project site
What's NOT included?
Visa, flights, travel insurance or vaccinations are NOT included in the program fees.
Flight Tickets
The nearest airport is Siem Reap International Airport (REP) in Siem Reap. We assist you to find cheap flights to Cambodia.
Travel Insurance
Going abroad is an adventure and it is always best to be prepared. Sudden illness or injury, cancellation or theft - a travel insurance for Cambodia provides security and is a plus to have.
If you are intending to volunteer in Cambodia you should seek medical advice before starting your social journey. Check your required vaccinations for Cambodia.

Dates & Fees


Details on arrival

The program runs weekly starting on the Monday, volunteers are advised to arrive the weekend before.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4 - 12 weeks

Program fees

Costs: Prices in USD
4 weeks (min. stay)
5 weeks
6 weeks
7 weeks
8 weeks
9 weeks
12 weeks (max. stay)
Average fees
$458 /week

Please note that the above shown program fees are estimated. Involvement Volunteers IVI will let you know about the final price during your application process.
Deposit (15%)
The deposit is simply to reserve your volunteer placement. Payments are handled by PayPal, our trusted global payment provider. If you don't have a PayPal account, you can also pay using a credit card.
Final Payment (85%)
Your final payment will be agreed with Involvement Volunteers IVI during the application process. Common solutions are either via bank transfer or a cash payment at the project site.

Why book with Volunteer World

Extra security layer by Volunteer World
Volunteer World is the world's leading comparison platform for international volunteer opportunities. We guide you through a safe and easy application process - including all necessary payments. Planning your next meaningful trip with Volunteer World gives you free access to our:
Quality Assurance
High ethical standards & transparent social impact
Flex Option
Change your reservation at no extra costs
Refund Guarantee
We refund your fees if Involvement Volunteers IVI cancels your trip
Support & Mediation
We cover your back no matter what happens
Our services are free of charge!
All program fees are charged directly by Involvement Volunteers IVI.

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Diving and Marine Conservation

Stay on an incredible uninhabited island surveying Coral Reefs, gather important data for conservation efforts and enjoy the beauty of this untouched underwater haven.


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