Dive Site: Red Sand

About Red Sand

Red Sand, locally known as Pasir Merah, is a distinctive dive site situated north of Pura Island in Alor. This site is renowned for its unique volcanic red sandy slopes that transition into a dramatic wall extending to a depth of 35 meters. What truly sets Red Sand apart are the visible bubbling gas vents that emanate from the Gunung Maru volcanic system, creating an extraordinary underwater landscape. Divers here encounter a blend of macro marvels and larger reef inhabitants. The topography transitions from the gently sloping red sands, rich in cryptic critters, to a deeper wall that offers a different ecological zone. This geological activity makes for an unusual and memorable diving experience. The nutrient-rich waters surrounding Alor, a hub in the Coral Triangle, contribute to a high biodiversity at this site, despite the unique substrate. While the vibrant red sands are a primary draw for macro enthusiasts, the wall section provides habitat for other marine species. The specific conditions, including potential currents and water temperatures, are typical for the Alor region, which can experience cooler upwellings in deeper areas. The combination of unique geology and diverse marine life makes Red Sand a standout location for experienced divers seeking something out of the ordinary.

Dive site facts: Red Sand

Depth

Up to 35 m

Current

Variable

Visibility

10–30 m (seasonal)

Water temperature

25–30°C (can drop to 22°C)

Entry

Boat

Level

Intermediate

Dive type

Muck, wall, volcanic

Night dive

Possible (for macro)

Region / port

Alor, Indonesia

Coordinates

8.2332° S, 124.5207° E

Conditions & Currents

Alor's dive sites, including Red Sand, can experience varied current conditions, ranging from mild to occasionally strong, influenced by the Pantar Strait's dynamics. Divers should be prepared for potential shifts in current strength and direction, as conditions can be unpredictable. While not explicitly stated for Red Sand, some sites in Alor are known for current-swept areas. Visibility at this site can vary, with the general Alor range being 10 to 30 meters, but it can drop during the monsoon season. Water temperatures typically range from 25 to 30°C, though thermoclines can cause drops, particularly in cooler, southern sites. A 5mm wetsuit is advisable for sustained dives or if you chill easily, especially given the site's depth profile. Divers should always carry an SMB and be proficient in drift diving techniques where currents are present.

Marine life & sighting chances

Mandarin fish

occasional

Nurse shark

occasional

Bamboo shark

occasional

Macro creatures

common

Nudibranchs

common

Octopuses

occasional

Frogfish

occasional

Ghost pipefish

occasional

Pygmy seahorses

occasional

Dive profile & how the dive runs

Your dive at Red Sand typically begins with a boat entry, often close to the northern side of Pura Island. The initial descent takes you onto the unique volcanic red sandy slopes, where you'll immediately notice the bubbling gas vents emanating from the seafloor. This shallow section is ideal for macro hunting, allowing you to explore for mandarin fish and various other small critters. As you gradually descend along the slope, you will reach the 35-meter deep wall, which provides a dramatic contrast and opportunities to spot nurse or bamboo sharks. The dive typically follows the contour of the wall before ascending back along the sandy slope. The safety stop is usually performed in the shallower parts of the slope, around 5-7 meters, allowing for extended exploration of the macro-rich environment before surfacing.

Underwater photography

Red Sand presents exceptional opportunities for macro photography, especially with its unique volcanic red sandy slopes and bubbling gas vents. A macro lens (e.g., 60mm or 100/105mm) is essential to capture the intricate details of mandarin fish, nudibranchs, and other small, cryptic creatures. Use strobes or a video light to enhance colors and illuminate subjects, as the volcanic sand can absorb ambient light. Given the sandy terrain, maintaining excellent buoyancy control is crucial to avoid disturbing sediment and impacting visibility for yourself and others. Patience is key when seeking out elusive macro life, allowing time for subjects like mandarin fish to emerge during their active periods, particularly towards dusk or for night dives. Respect marine life by avoiding contact and maintaining a safe distance to prevent stress or damage.

Combine with nearby dive sites

• Pura Island Drop-off

  Red Sand is located north of Pura Island.

• Mucky Mosque

  Another excellent site for macro and muck diving in Kalabahi Bay.

• Abila

  A drift and wall dive site with colorful corals and ribbon eels.

• Schools Out

  Schools Out in Alor offers divers an exceptional encounter with healthy coral reefs and a rich variety of marine species.

• The Arch

  Known for soft corals and resident fish.

• Mahi Point

  A shallow reef paradise for macro photography.

Getting there & logistics

Accessing Alor typically involves flying into Mali Airport (ARD) via Kupang (KOE), with international connections often from Jakarta (CGK) or Bali (DPS). The journey often requires overnight stays in Kupang, and it's advisable to factor in buffer days for travel between Alor and Bali due to potential flight cancellations. Dive operators in Alor, such as Nautika Dive Alor, provide well-equipped boats for daily excursions to sites like Red Sand. Most trips are resort-based, with packages including transfers from Mali airport, typically a 60-minute drive to resorts. Liveaboards also frequent Alor, offering multi-day itineraries that visit various sites across the archipelago. Given Alor's remote nature, pre-booking flights and accommodation is essential, and trip lengths typically range from one week to ten days to fully explore the diverse diving.

Safety & environment

Diving in Alor, including Red Sand, requires a strong emphasis on safety due to its remote location. The nearest recompression chamber is likely in Bali or Makassar, necessitating a multi-leg evacuation in case of a serious dive emergency. Divers should have comprehensive dive insurance that covers emergency medical treatment and evacuation. Always dive within your training limits, particularly given Alor's potential for unpredictable currents and varying water temperatures. Maintain excellent buoyancy control, especially over the sandy slopes, to prevent stirring up sediment. Be aware of the bubbling gas vents, though they generally pose no direct hazard to divers. Always follow your dive guide's instructions, carry a surface marker buoy (SMB), and be proficient in deploying it. Monitor your air consumption carefully, especially if planning deeper sections along the 35-meter wall.

Who it suits — and who it doesn't

FAQ

Red Sand FAQ

Liveaboards diving Red Sand

These liveaboards may visit Red Sand on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Naga Biru

Indonesia

12 guests40 m

$273/day

Jaya

Indonesia

14 guests23 m

$280/day

Komodo Aggressor

Komodo, Indonesia

16 guests29 m

$312/day

Blue Manta

Indonesia

20 guests45 m

$488/day

Gaia Love

Alor

20 guests

$554/day

Emperor Raja Laut

Raja Ampat, Indonesia

12 guests31 m

$413/day

Coralia

Indonesia

16 guests48 m

$577/day

Ilike

Indonesia

16 guests40 m

$298/day

Mermaid I

Alor

15 guests28 m

$371/day

Mutiara Laut

Indonesia

14 guests46 m

$741/day

Neptune One

Indonesia

16 guests38 m

$284/day

Dewi Nusantara

Indonesia

18 guests57 m

$493/day