Batu Belanda
4.5320°S 129.8980°E · wall
Batu Belanda (“Dutch Rock”) is a wall dive on the western side of Banda Besar, named after the Dutch landing in the Banda Islands in 1599. The wall is distinguished by a large cave and an unusual mix of low-light-adapted marine life, and is one of the few Banda Islands sites where the rare Lembeh sea dragon has been recorded.
Overview
The western Banda Besar wall receives limited direct sunlight. Large barrel sponges, cup corals, and sea fans cover the wall face. A cave, reported at around 13 m depth by two independent sources, features a ceiling shaft that channels light onto soldierfish and moontail bullseyes sheltering inside. Orangutan crabs and black-spotted moray eels are also reported in and around the cave.
The Lembeh sea dragon — a pipehorse with the elongated body of a pipefish and head of a seahorse — has been recorded here by two independent sources, making this one of the few confirmed Banda sites for the species. Scorpionfish (species not specified by sources), red-fire gobies, and nudibranchs are also reported on this wall. Napoleon wrasse and bullethead parrotfish inhabit the wall and cave surrounds.
Dive Profile
Wall diving to around 30 m, with a cave feature at approximately 13 m. Currents are typically mild on this sheltered western face. Visibility averages 20–30 m. Rated Advanced in line with the destination’s remote, liveaboard-only character.
Marine Life
- Soldierfish and moontail bullseyes (inside the cave)
- Lembeh sea dragon / pipehorse (rare; recorded at this site by two independent sources)
- Scorpionfish (species not specified by sources)
- Orangutan crabs, black-spotted moray eels
- Red-fire gobies and nudibranchs
- Napoleon wrasse, bullethead parrotfish
- Large barrel sponges, cup corals, and sea fans on the wall face
Entry / Exit
Boat dive from liveaboard or Banda Neira day-trip vessel. The site is on the western coast of Banda Besar, a short transit from Banda Neira harbour.
Tips
- The cave at approximately 13 m is the highlight — bring a torch for the interior to illuminate the soldierfish and any nudibranchs
- Low-light conditions suit photographers interested in sponge and cup coral macro work
- The Lembeh sea dragon is cryptic; alert your guide to watch for it on black crinoids
Photography
Well-suited to natural-light and strobe-lit sponge photography. The cave shaft creates atmospheric light-ray images when conditions are right. A macro setup is rewarding for pipehorse and scorpionfish.
Sources: Bottles Up Diving - Banda Islands, Dive The World - Banda Islands, Merapi Tours - Banda Archipelago Dive Spots. Last updated 2026-07-17.
Sea-surface temperature and wave height from Open-Meteo Marine (ERA5 reanalysis, monthly averages).
1725 verified species observations (336 species) logged within ~11 km of this site between 1874 and 2025, from the Ocean Biodiversity Information System.
- Anomalops katoptron · Two-fin Flashlightfish
- Eviota nigriventris
- Thalassoma amblycephalum · Moon Wrasse
- Eviota
- Pomacentrus
- Meiacanthus atrodorsalis
- Amblyglyphidodon curacao
- Epinephelus hexagonatus · Hexagon Rockcod
- Ecsenius pictus
- Eviota rubriceps
- Myripristis
- Diodon liturosus · Black-blotched Porcupinefish
Scientific survey records skew toward sampled taxa (molluscs, corals) and do not reflect what you are guaranteed to see on a dive.
Source: OBIS (obis.org), aggregated Darwin Core occurrence records.
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