Volunteer divers carrying out marine conservation work on the Great Barrier Reef

All volunteer programs

Every placement below is vetted for animal welfare, community benefit and transparent fees before we list it.

12 programs match your filters

Diver conducting a reef health survey on the Great Barrier Reef

Marine Conservation

Great Barrier Reef Marine Conservation

Cairns, Queensland, Australia

Reef-based citizen science and marine conservation on the Great Barrier Reef, with dive training or a liveaboard reef experience.

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Rainforest meeting the reef coastline in Far North Queensland

Marine Conservation

Reef & Rainforest Adventure

Far North Queensland (Cairns · Great Barrier Reef · Daintree · Cape Tribulation · Kuranda)

Three weeks combining reef research, marine conservation and rainforest exploration in tropical Far North Queensland.

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Family snorkelling on a reef conservation expedition

Marine Conservation

Eco-Expedition for Families & Groups

Far North Queensland, Australia

A 5-day expedition for families and small groups: reef, rainforest and wildlife, with real marine conservation alongside the O2E team.

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Smiling volunteer in a blue t-shirt on the back deck of a boat, with the wake and open sea behind

Marine Conservation

Marine Conservationist for a Day

Fitzroy Island or Green Island, near Cairns, Australia

Spend a day on a Great Barrier Reef island learning reef science and contributing to real citizen-science surveys.

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Orangutan in the forest canopy at a Borneo conservation centre

Animal Welfare & Conservation

Orangutan & Sun Bear Conservation

Samboja Lestari, East Kalimantan, Indonesia

Support a Borneo Orangutan Survival Foundation conservation centre, contributing to the care of rescued orangutans and sun bears.

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Rescued elephant at a Phetchaburi sanctuary

Animal Welfare & Conservation

Thai Elephant Sanctuary

Phetchaburi, Thailand

Support a southern-Thailand refuge for domesticated elephants rescued from street work, logging and exploitation.

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Volunteer walking a rescued dog at an island shelter

Animal Welfare & Conservation

Thai Island Dog & Cat Shelter

Koh Lanta Yai, Thailand

Care for rescued island dogs and cats affected by overpopulation, abandonment, injury and limited veterinary access.

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Rescued wildlife enclosure at a Thai rehabilitation centre

Animal Welfare & Conservation

Thai Wildlife Rehabilitation & Care

Phetchaburi, Thailand

Support a strictly hands-off wildlife rescue centre caring for animals saved from neglect, the illegal wildlife trade and exploitative entertainment.

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Study-placement volunteers recording marine survey data on the reef

Marine Conservation

Diploma of Marine Conservation Volunteering

Cairns, Queensland (fieldwork) + online study

A study-and-fieldwork pathway combining an online diploma with hands-on reef fieldwork on the Great Barrier Reef.

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Family taking part in a reef education day near Cairns

Marine Conservation

Family Education Day

Fitzroy Island or Green Island, near Cairns, Australia

A family day on the Great Barrier Reef: reef learning and hands-on citizen science in a beautiful island setting.

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How we vet a project before it appears here

Welfare first

No riding, no bathing, no breeding for interaction.

Local leadership

Local staff run the work; volunteers support it.

Open books

You can see what your fee pays for before you book.

Read our ethical standard

Get the 5-day ethical volunteering course

One short email a day. How to spot a genuine project, what fees really pay for, and how to prepare.