Alam Batu dive site

Kubu

Alam Batu Diving

Usually limited in the shallows, with current possible on the deeper reef edge and cleaning-station sector. The guide selects the route and profile for the group, tide and surface conditions.

Depth range
3–30 m
Access
Shore + Boat
Environment
House reef, Coral garden, Sandy slope, Canyons, and Macro
Experience level
Beginner to Advanced, profile-dependent

About Alam Batu

Alam Batu is a house reef, coral garden, sandy slope dive in Kubu, with a working depth range of approximately 3–30 m. The site is known for large gorgonians, hard and soft corals, juvenile barracuda, reef sharks, and seahorses. Conditions remain variable, so the route, maximum depth and suitability are confirmed by the local guide on the day.

Availability notice

Conditions-dependent dive. Final operation and diver suitability are determined after the day-of-dive current, weather and experience assessment.

Site highlights

  • House reef, Coral garden, Sandy slope, Canyons, and Macro profile
  • Usable depth range from approximately 3 to 30 m
  • Potential encounters include large gorgonians, hard and soft corals, juvenile barracuda, and reef sharks
  • Usually limited in the shallows, with current possible on the deeper reef edge and cleaning-station sector

Before you dive

Recommended certification

Open Water for the shallow house reef; Advanced Open Water or equivalent for 20–30 m sectors

Local guide recommended

Explore with a local guide familiar with the site and its entry and exit points.

Diving conditions & best time to visit

Water temperature
27–30 °C
Visibility
8–30 m

Usually limited in the shallows, with current possible on the deeper reef edge and cleaning-station sector

Best months to dive

Year-round when daily sea conditions permit; the drier April–November period often offers easier shore conditions.

Diveable year-round when shore entry and sea state permit. Visibility, current and pebble-beach surf vary with weather; local teams select the safest entry and route each day.

Conditions may change

Typical conditions can vary on the day of your dive. Confirm current conditions with the dive team before entering the water.

Marine life & activities

  • Large gorgonians
  • Hard and soft corals
  • Juvenile barracuda
  • Reef sharks
  • Seahorses
  • Harlequin shrimp
  • Nudibranchs
  • Turtles
Snorkeling Freediving Night diving

Access & safety

Entry & Exit

Shore entry over volcanic pebbles; boat access may be used by arrangement

Boat departure point
Kubu local shore entry

Safety notes

The reef continues beyond recreational limits. Use the resort’s designated entry, watch pebble-beach surf and keep cave or overhang exploration within training limits.

Dive tips

  • Follow the local guide’s site- and tide-specific briefing.
  • Agree a maximum depth within certification limits; the published site range is 3–30 m.
  • Maintain neutral buoyancy and avoid contact with coral, artificial structures and the seabed.
  • The reef continues beyond recreational limits. Use the resort’s designated entry, watch pebble-beach surf and keep cave or overhang exploration within training limits.
  • Treat wildlife encounters as possible, never guaranteed, and give animals space.

Underwater photography

A flexible setup works best: use a macro lens for small subjects on sand, rubble and coral, or wide angle for the broader reef structure. Maintain stable trim, avoid stirring sediment and never move or touch wildlife for a photograph.

Site map & location

Alam Batu dive site planning map

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