Updated: June 10, 2026 · Originally published: June 10, 2026

Updated: June 2026

Best Komodo dive sites: Manta Point, Castle Rock, Batu Bolong

By Cosmo Navarro

Senior Travel Curator · Updated June 10, 2026

Defining the Best Dive Sites in Komodo National Park

For divers seeking an unforgettable underwater experience, Komodo National Park is a bucket-list destination. Renowned for its rich marine biodiversity, the park offers some of the best dive sites globally. Among these, Manta Point, Castle Rock, and Batu Bolong stand out, each offering unique conditions, marine life, and challenges for divers.

Manta Point: A Sanctuary for Manta Rays

Manta Point, located on the southwest coast of Komodo Island, is a must-visit for divers interested in encountering manta rays. This dive site is famous for its cleaning stations where these gentle giants come to get rid of parasites. The best time to dive at Manta Point is during the dry season, from April to December, when manta rays are most active, particularly from May to November.

diving conditions, Manta Point usually has mild currents, which are manageable for divers of varying levels. The water temperature typically ranges from 24°C to 29°C (75°F to 84°F). Visibility can vary, from 10 to 30 meters (30 to 100 feet), depending on the time of year and weather conditions. Dive depths usually range from 12 to 20 meters (40 to 65 feet).

In 2026, dive operators are offering packages starting at around $80 (1,200,000 IDR) for a two-tank dive, including equipment rental and lunch. Experienced divers may want to dive deeper into the current, which can sometimes surge, creating an exhilarating experience.

Marine Life at Manta Point

Diving at Manta Point offers the chance to see not only manta rays but also an array of marine life, including turtles, reef sharks, and colorful schools of fish. The vibrant coral reefs are teeming with life, making the experience truly spectacular. Expect to spend around 45 minutes under the surface, soaking in the views of this underwater paradise.

Castle Rock: A Diver’s Playground

Castle Rock is another spectacular dive site in Komodo National Park, characterized by its dramatic underwater topography. The site features steep walls and pinnacles, making it an exhilarating dive for experienced divers. The currents at Castle Rock can be strong, so it is recommended for advanced divers only. The best diving conditions are typically found from April to December, when visibility can reach up to 30 meters (100 feet).

One of the most fascinating aspects of Castle Rock is its rich biodiversity. Divers can expect encounters with schools of barracuda, giant trevally, and even occasional sightings of reef sharks. Make sure to keep an eye out for the colorful nudibranchs that inhabit the area.

In 2026, a dive package here might cost you around $90 (1,350,000 IDR) for a two-tank dive, including equipment and a guide. Due to the strong currents, divers often describe Castle Rock as an adrenaline-pumping experience. The dive depth ranges from 10 to 30 meters (30 to 100 feet), and it is advisable to have prior experience with drift diving.

Current Conditions at Castle Rock

The currents at Castle Rock can vary, so it’s essential to check the conditions before diving. On a good day, divers can drift along the pinnacles, but caution is necessary, especially in the afternoons when currents can be unpredictable. For safety, always dive with a reputable guide familiar with the site.

Batu Bolong: A Thrilling Challenge

Batu Bolong is a small, submerged rock that rises to the surface and is one of the most iconic dive sites in the park. Known for its stunning coral gardens, Batu Bolong also offers challenging dive conditions, making it ideal for intermediate to advanced divers. The dive site is often included in the top 10 Komodo dive sites list for its breathtaking underwater scenery.

The dive here typically ranges from 12 to 30 meters (40 to 100 feet), with strong currents that can make navigation tricky. The best time to dive Batu Bolong is during the dry season, particularly from April to November. Visibility generally ranges from 15 to 25 meters (50 to 80 feet).

Expect to pay around $95 (1,425,000 IDR) for a two-tank dive here in 2026. The dive site can be challenging due to the currents, but the effort is rewarding, as divers are treated to an incredible display of soft and hard corals, along with diverse marine life.

Is Batu Bolong Safe for Beginners?

Batu Bolong is not recommended for beginners due to its challenging conditions and strong currents. However, for those with some experience, it offers a thrilling dive with the chance to see schools of fish, turtles, and even the occasional manta ray. If you’re new to diving, consider starting at sites like Manta Point or shallower parts of Castle Rock.

Comparing the Dive Sites

Site	Depth Range	Current Conditions	Marine Life	Difficulty Level	Best Time to Dive	Price (2026)
Manta Point	12-20m	Moderate	Manta rays, turtles	All levels	April – December	$80 (1,200,000 IDR)
Castle Rock	10-30m	Strong	Barracuda, reef sharks	Advanced	April – December	$90 (1,350,000 IDR)
Batu Bolong	12-30m	Strong	Diverse coral, fish	Intermediate – Advanced	April – November	$95 (1,425,000 IDR)

Frequently Asked Questions

What are the best months to dive at Manta Point? The best time to dive at Manta Point is from May to November, during the dry season.
Is it safe to dive at Batu Bolong for beginners? Batu Bolong is not recommended for beginners due to its strong currents. Intermediate to advanced divers are best suited for this site.
What can I expect at Castle Rock? Castle Rock offers stunning underwater topography and marine life, but it is best suited for experienced divers due to strong currents.

Conclusion

Whether you are drawn to the majestic manta rays of Manta Point, the thrilling currents of Castle Rock, or the vibrant coral gardens at Batu Bolong, Komodo National Park has something for every diver. Each site offers a unique experience that showcases the beauty and diversity of the underwater world. Dive into the adventure that awaits you in Komodo, and make memories that will last a lifetime.

Ready to explore these incredible dive sites? Book your adventure today!

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