Sangeang Island in Sumbawa

Dive into the volcanic wonders of Sangeang Island and experience its unique underwater landscapes

What you need to know about Sangeang

Sangeang Island, an active volcanic island located off the coast of Sumbawa, offers an unparalleled diving experience that combines dramatic underwater landscapes with rich marine biodiversity. The island's volcanic activity has created unique dive sites featuring black sand, vibrant coral gardens, and bubbling underwater hot springs.

Divers at Sangeang Island can expect to encounter a fascinating array of marine life. From colorful nudibranchs and pygmy seahorses to larger pelagics like reef sharks and manta rays, the island's waters are teeming with life. The volcanic topography provides stunning backdrops for underwater photography, making it a favorite among macro enthusiasts.

Non-divers can enjoy the island's natural beauty by hiking its volcanic trails, exploring its pristine beaches. Whether you're diving into its unique underwater world or exploring above water, Sangeang Island promises an adventure like no other.

Interesting facts about Sangeang

Getting there: The best way to explore Sangeang Island is by liveaboard, offering direct access to its remote and pristine dive sites. Alternatively, you can fly to Sumbawa and take a boat from there.

Best time to visit Sangeang Island: The ideal time to visit is during the dry season from April to November, when water temperatures range from 27°C to 30°C (81°F to 86°F) and visibility is at its best.

Diving Conditions: Sangeang Island features dive sites with depths from 5 to 30 meters (16 to 98 feet) and generally calm conditions, suitable for divers of all levels. Currents can vary, so it's advisable to check conditions with your dive operator.

Our liveaboard trips: Our liveaboard expeditions to Sangeang Island typically last 7-10 days, often including visits to other top dive destinations in the region such as Komodo and Sumbawa. Several of our liveaboard vessels operate in this area, ensuring a comfortable and exciting adventure.

A little known fact: Sangeang Island is renowned for its underwater geothermal activity, where divers can witness volcanic vents releasing bubbles, creating a unique and otherworldly diving experience.

Pictures of Sangeang

Highlights in Sangeang

Hot Rocks

Discover the fiery allure of Hot Rocks, a fascinating dive site located off the volcanic island of Sangeang in Indonesia. Renowned for its geothermal activity, this site offers divers a unique experience with its underwater hot springs and black sand slopes. The volcanic activity not only creates a mesmerizing underwater landscape but also supports a vibrant marine ecosystem.

At Hot Rocks, divers can witness the rare phenomenon of bubbles rising from the seafloor, a result of the island's active volcanic vents. This geothermal activity attracts a diverse range of marine life, including colorful nudibranchs, moray eels, and vibrant coral formations. The nutrient-rich waters around Sangeang ensure an abundance of fish species, making every dive a vibrant and lively adventure. For non-divers, the island offers breathtaking views of the volcano and opportunities for hiking and exploring its rugged terrain.

Diving at Hot Rocks is an adventure into an underwater world shaped by volcanic forces. The site is ideal for macro photography, with numerous small creatures and intricate coral formations providing endless photo opportunities. Whether you're an experienced diver or just starting, Hot Rocks offers a unique and unforgettable diving experience.