What is the best time to dive Alor?

The best months to dive Alor in Indonesia are April, May, June, September, October, November. Water temperatures range from 24°C to 28°C during peak season.

Alor reaches a maximum depth of 40 m, with visibility ranging from 10–30 m. The full depth range requires Advanced certification at minimum; some zones are technical diver territory.

What marine life can you see at Alor?

Alor is known for encounters with hammerhead shark, thresher shark, pygmy seahorse, blue-ringed octopus, mola mola. The site features muck, reef, wall, drift, pelagic diving across 40 named sites, with a marine life score of 88/100 in OkToDive's ranking.

Is Alor good for beginners?

Alor is better suited to experienced divers. Currents can be strong and depths reach 40 m. A minimum Advanced Open Water certification is required, and OkToDive recommends at least 100 logged dives before visiting.

How much does it cost to dive Alor?

A 2-tank dive at Alor averages around $80 USD, placing it in the mid range tier. Most diving here is done via liveaboard, so factor in multi-day packages when budgeting.

Alor Diving — Indonesia's Off-Grid Frontier

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World Class

Advanced

Alor

IndonesiaSoutheast Asia

71.3

SCORE

-8.2700°N

124.7500°E

Alor is one of the Coral Triangle's last true frontiers, where volcanic black-sand slopes harbor an absurd density of macro critters alongside schooling hammerheads in strong currents. The remote location keeps diver numbers near zero, and the cultural experience of visiting traditional weaving villages is unlike anything else in Indonesia.

Indonesia's Ultimate Macro Frontier

Visibility10–30 m

Temperature24–28°C

Max Depth40 m

Currentstrong

2-Tank Dive$80

Best MonthsApril, May, June, September

CertificationAdvanced Open WaterAdvanced

Score breakdown

Click any score to see a detailed breakdown

Marine Life

88.0

Species diversity, megafauna encounters, reef fish abundance, macro life, and endemic species.

Species Diversity

Megafauna Encounters

Reef Fish Abundance

Macro Life

Endemic Species

Marine life diversity

88.0

Coral & reef health

82.0

Visibility & conditions

68.0

Dive site variety

80.0

Water temperature

75.0

Depth & access

72.0

Operator quality

72.0

Topside experience

48.0

Getting there

35.0

Value & cost

72.0

Crowding

92.0

Social proof

72.0

Key species

hammerhead shark thresher shark pygmy seahorse blue-ringed octopus mola mola

Dive types

muckreefwalldriftpelagic

Traveling with non-divers?

This destination is primarily accessed by liveaboard — not ideal for non-diving partners. Consider planning separate shore-based activities before or after your liveaboard trip.

Activities for non-divers

traditional weaving village visitvolcano trekkingwhale watchingsnorkeling

Nearby cultural sites

Takpala traditional village
Abui tribal culture

Non-diver score

4/10

Limited topside — plan ahead for non-diving partners.

Family FriendlyNot recommended

Restaurants & Nightlifenone

Safety & emergency

Dive insurance

DAN recommends dive insurance for all divers.

Learn more at DAN.org

Hyperbaric Chamber500 km — Sanglah Hospital Hyperbaric Unit, Bali

Nearest Hospital15 km

Extremely remote; basic clinic in Kalabahi; nearest chamber in Bali — plan very conservatively

Skill LevelAdvanced

Current Strengthstrong

Top operators

Alor Divers

PADI

4.8

80 reviewsNITROX

Adonara Dive Center

SSI

4.6

50 reviews

Compare this dive site

Alor in Indonesia scores 71.3/100in OkToDive's 12-category data-driven rating. Best for muck diving with 10–30m visibility and 24–28°C water temps. A 2-tank dive costs ~$80 USD. Peak season: April, May, June.

Last updated: 2026-05-25

Who should dive here

Best for

+ Marine life enthusiasts seeking hammerhead shark encounters
+ Experienced drift divers comfortable in current
+ Dedicated divers willing to commit to a liveaboard trip

Skip if

− You're uncomfortable in strong currents
− You don't have Advanced certification
− You get seasick or prefer shore-based diving

Verdict

Choose Alor over similar Southeast Asia destinations when crowding matters more than getting there

How Alor compares

Site	Score	Visibility	Cost/dive	Best for
Alor	71.3	10–30m	$80	muck, reef
Raja Ampat	81.4	15–30m	$180	reef, wall
Komodo National Park	78.4	9–30m	$100	drift, reef
Khao Lak	76.2	15–40m	$100	reef, wall
Manado	75.3	15–35m	$70	wall, reef

Honest reality check

What your dive shop won't tell you

The minimum certification printed on a brochure is the legal floor, not the honest recommendation. Here's what we actually think you should bring to this site.

Recommended logged dives

70+

Below this we'd send you somewhere easier first.

Recommended certification

Advanced Open Water

“Experienced divers only — currents don't negotiate.”

What will challenge you

→Strong, sometimes unpredictable currents. Reef hook training is not optional — some operators require it.
→Recreational limit of 40 m is reachable here (max depth 40 m). Gas planning and NDL tracking matter.
→Liveaboard only. Self-sufficiency matters — you're far from dive medical support.
→Nearest hyperbaric chamber is ~500 km away. Evacuation is slow. Dive conservative profiles and get DAN insurance before you fly.

What will surprise you

→You'll do 3–4 dives a day for a week straight. Fitness and sleep discipline matter more than your certification level.
→Thermoclines can drop water temp by 4°C between the surface and depth. Your wetsuit choice should match the minimum, not the average.

Time of day

When to dive it

Every dive shop gives you this briefing at 7am. We just wrote it down. Tidal dependency: slight. Optimal window: First light to 11am for best visibility..

Morning

Viz
high
Current
strong
Crowd
light

reef exploration
photography

Best light and calmest conditions before afternoon wind picks up.

Afternoon

Viz
moderate
Current
strong
Crowd
moderate

drift diving
second tank

Wind chop can reduce viz. Still diveable but morning is better.

Month-by-month

Dive forecast

Realistic conditions by month. Viz ranges are what you should actually expect, not best-case marketing numbers. Confidence % is the share of days that match this profile historically.

Month	Viz (m)	Temp (°C)	Current	Sea	Rain	Confidence	Highlights
Jan	10–20	24	Strong	Mod	Light	70%	reef fish active, peak season crowds
Feb	10–20	24	Strong	Mod	Light	70%	reef fish active, peak season crowds
Mar	10–20	24	Strong	Mod	Light	70%	reef fish active, peak season crowds
Apr	10–20	24	Strong	Mod	Light	70%	reef fish active
May	24–30	28	Strong	Calm	Dry	70%	reef fish active
Jun	24–30	28	Strong	Calm	Dry	70%	reef fish active
Jul	24–30	28	Strong	Calm	Dry	70%	reef fish active
Aug	24–30	28	Strong	Calm	Dry	70%	reef fish active
Sep	24–30	28	Strong	Calm	Dry	70%	reef fish active
Oct	10–20	24	Strong	Mod	Light	70%	reef fish active
Nov	10–20	24	Strong	Mod	Light	70%	reef fish active
Dec	10–20	24	Strong	Mod	Light	70%	reef fish active

Shoot here

Photography brief

Subjects are only half the shot. A perfect macro site is useless in a three-knot drift, and a wide-angle dream is useless at 35 m with a murky ceiling. These are the conditions, not the hype.

Macro subjects94

Wide angle88

Viz stability60

Hover friendliness25

Natural light48

Recommended kit

→Macro lens (60mm or 105mm), focus light, dual strobes positioned for fill
→Wide-angle or fisheye (8-15mm range), dual strobes for close-focus wide angle
→Skip the heavy rig — current sites reward a compact setup you can actually manage one-handed on a reef hook

Level up here

What this site will teach you

The dives that made you a better diver are the ones that made you uncomfortable for the right reasons. Here's what this site will quietly train you for.

Current management
intermediate
Strong currents teach you to read water and position smartly.
Deep diving comfort
advanced
Regular dives past 30m build confidence at depth.
Buoyancy precision
intermediate
Macro subjects demand millimeter-level hover control.

What it costsEstimates — calibration pending

7-day trip, per person

Rough ranges anchored to existing regional data — not booking quotes. This is a liveaboard destination, so the dive package rolls accommodation and food into one nightly rate.

Budget

$2,150–$2,650

Hostels, shore diving, cheap eats

Flights (RT from US): $720–$880
Diving / day: $180–$200
Transfers + misc: $150–$380

Mid-range

$2,700–$3,600

3-star hotels, standard boat ops, mix of restaurants

Flights (RT from US): $1,150–$1,450
Diving / day: $200–$250
Transfers + misc: $150–$380

Splurge

$3,700–$5,050

Top resorts or liveaboards, premium operators

Flights (RT from US): $1,800–$2,200
Diving / day: $250–$350
Transfers + misc: $150–$380

Budget decision guide

Choose Budget if you prioritize dive count over comfort — hostels and shore diving maximize bottom time per dollar. Choose Mid-range for the best balance of comfort and value — most divers land here. Choose Splurge for premium operators, private guides, and top-tier accommodation — worth it for special trips or non-diving partners.

Flights priced round-trip from a major US hub. Figures are per person on a shared room. Solo travelers add ~30% to accommodation.

Pair with

Build a trip around it

Most divers fly across the world for one destination and don't realise another worth-it site is 90 minutes away. Here are the honest pairings.

Best dive types here

Alor Diving — Indonesia

Score breakdown

Marine Life

Key species

Dive types

Traveling with non-divers?

Activities for non-divers

Nearby cultural sites

Non-diver score

Safety & emergency

Dive insurance

Top operators

Alor Divers

Adonara Dive Center

Who should dive here

Best for

Skip if

Verdict

How Alor compares

What your dive shop won't tell you

When to dive it

Dive forecast

Photography brief

What this site will teach you

Current management

Deep diving comfort

Buoyancy precision

7-day trip, per person

Budget decision guide

Build a trip around it