Plizio Visual Lab
Hideaway Island Marine Sanctuary
The Hideaway Island Marine Sanctuary is located in Mele Bay off the coast of Efate, serving as a pioneer project for marine conservation in Vanuatu. The protected area encompasses the waters surrounding the small Hideaway Island and has been renowned for decades for its strict fishing bans, which have led to a remarkable recovery of fish stocks. Geographically, the reserve is characterized by a shallow fringing reef that transitions into steep walls covered with hard and soft corals. A worldwide unique feature is the underwater post office, opened in 2003, which allows divers to drop waterproof postcards at a depth of about three metres. The sanctuary serves not only to protect biodiversity but also to educate visitors about the importance of intact coral reefs for coastal protection. Numerous tropical fish species, including anemonefish, parrotfish, and occasionally sea turtles, can be observed here in their natural habitat. Revenue from sustainable tourism flows directly into the maintenance of the sanctuary and community projects in nearby villages. Hideaway Island remains a central site for marine research and environmental education in the region.
- Location: Vanuatu
- Top sights: Mele Beach · The Kava House · Mormons
- Nearby: Ifira Island Traditional Village (6 km)
Best time to visit & climate
The most pleasant time to visit is Jul–Sep.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 25 | 25 | 26 | 27 |
| Rain mm | 211 | 190 | 237 | 222 | 127 | 109 | 76 | 66 | 67 | 107 | 116 | 147 |
📋 Practical info
Geography
Facts
- The world's only underwater post office was opened here in 2003.
- The sanctuary is a 'no-take' zone where all forms of fishing are prohibited.
- It is located just a few hundred metres from the main coast of Efate island.
- Over 200 species of tropical fish have been identified within the reef area.
- The fringing reef starts at a depth of less than one metre.
- Visitors can purchase special waterproof postcards to mail from the post office.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Hideaway Island Marine Sanctuary (7)
Secret Gardens Cultural Centre and Native Reserve
Cultural centre and nature reserve on Hideaway Island. Showcases Vanuatu's early history, art, wildlife, and customs.
Wet n Wild Adventure Park
Water park on Hideaway Island, Vanuatu. Features slides and water activities.
Mele Bay
Bay of Efate, Vanuatu. Calm waters surrounded by tropical landscape.
Wasisi Mission Presbyterian Church
Presbyterian church in Wasisi, Vanuatu. Mission station and house of worship.
Sights nearby
Frequently asked questions
Can I snorkel there?
What kind of fish can I see?
Is the sanctuary protected?
Is equipment available to rent?
What should I keep in mind?
Hideaway Island Marine Sanctuary: where is it located?
Hideaway Island Marine Sanctuary: what is there to see?
Hideaway Island Marine Sanctuary: when is the best time to visit?
Hideaway Island Marine Sanctuary: why is it worth visiting?




















