
Atlantic Bottlenose Dolphin
General species description, not specific to this destination
Occasionally seen while traveling between dive sites. A real treat!

Palau
Photo: Francesco Ungaro / Pexels
Palau is an archipelago of ~340 islands in the western Pacific Ocean, between the Philippines and Guam. It is one of the world's premier dive destinations, famous for steep walls, strong currents that attract large pelagics, WWII wrecks, the unique Rock Islands, and the legendary Blue Corner — often ranked among the top three dive sites on Earth.
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27–30 °C
15–45 m
2–40 m
Strong
November–April (dry season — peak visibility and pelagic action); May–October also excellent with fewer crowds and active manta feeding
| Month | Summary |
|---|---|
| Jan | Peak dry season — calm seas, 25–30m+ visibility. Strong currents at outer reef points bring grey reef sharks, eagle rays, and barracuda schools in abundance. Manta season in full swing at German Channel and Devil Fish City. Water 27–28°C. Book well ahead. |
| Feb | Arguably the best diving month of the year. Visibility often exceeds 30m, water 28°C. Peak manta aggregations at German Channel and Devil Fish City. Blue Corner and Peleliu Express deliver world-class shark action. Liveaboard spaces fill months ahead. |
| Mar | Peak shark month — grey reef, whitetip, and silvertip sharks at their most active on outer walls. Mantas still plentiful. Visibility 25–30m, water warming to 28–29°C. Strong currents deliver the signature Palau pelagic spectacle. Book early for the prime window. |
| Apr | End of dry season with still-excellent conditions. Visibility 25–30m, slightly calmer currents make this a great month for divers of all levels. Last month of peak manta season. Water 28–29°C. Fewer crowds than February–March. |
| May | Transition month — plankton blooms begin, visibility drops to 20–25m but mantas and whale sharks become more active feeding in the nutrient-rich water. Warmer water (29°C), fewer divers, excellent value. Great month for macro photography. |
| Jun | Plankton season in full effect — visibility 15–20m but marine life at its richest. Mantas and whale sharks feed actively. Water 29–30°C — warmest of the year. Afternoon showers common but diving remains excellent. Best value season. |
| Jul | Mid-plankton season — visibility 15–20m, water 29–30°C. Mantas, whale sharks, and large pelagics feed in the green water. WWII wrecks offer sheltered diving with excellent marine encrustation. Afternoon rain typical but mornings clear. |
| Aug | Similar to July — visibility 15–20m, water 29°C. Mantas still feeding actively at cleaning stations. Wrecks are a great option with impressive coral growth. Good time for the inner lagoon and channel sites. Fewer tourists, more relaxed vibe. |
| Sep | Late plankton season — visibility begins improving to 18–22m. Water 29°C. Still good for mantas and whale sharks. Jellyfish Lake at peak jellyfish population. Transition toward dry season begins late September. |
| Oct | Shoulder month — visibility improving to 20–25m as plankton recedes. Water 28–29°C. Currents begin strengthening at outer reef points. Good mix of big animal encounters and improving visibility. A sweet spot for photographers. |
| Nov | Start of dry season — visibility climbs to 25–30m. Water 28°C. Currents strengthen, sharks and pelagics return in force to outer walls. Mantas still present. Excellent all-around diving with improving conditions. |
| Dec | Dry season in full swing — visibility 25–30m, water 27–28°C. Peak currents at Blue Corner, Ulong Channel, and Peleliu Express. Sharks, eagle rays, and barracuda schools at their best. Manta season begins ramping up at German Channel. A spectacular month. |
30–40m · Expert
10,567-ton Japanese oil tanker · Nicknamed 'Black Coral Wreck' · Dense black coral colonies on superstructure
3–285m · Beginner
Sheer vertical wall from 3m to 285m+ · Jacques Cousteau top-10 worldwide · Soft corals, giant sea fans, and sponges
15–40m · Advanced
Triangular coral plateau with steep walls on all sides · Hook-in drift dive — reef hook mandatory · World-famous pelagic spectacle
5–40m · Intermediate
Four vertical holes in the reef plateau · Sunlight shafts create dramatic light beams · Connects to Blue Corner via outer wall
21–27m · Advanced
Small fishing vessel near marker #6 in Malakal Channel · Upright position with deck at 21m · Dense coral and sponge encrustation
0–11m · Beginner
Limestone cave with 4 air-filled chambers · Stalactites and stalagmites inside · Surface inside chambers by flashlight
15–30m · Advanced
83m Japanese coastal freighter · Bridge with brass compass and telegraph intact · Deck guns visibly mounted
10–30m · Beginner
Giant cabbage corals like 'apartment blocks' · Each coral head hosts a territorial fish · Turtles and sharks in the blue
Species recorded in this destination's wider regional catalogue. A species being listed here does not mean it is seen at this destination — check the note on each card.

Atlantic Bottlenose Dolphin
General species description, not specific to this destination
Occasionally seen while traveling between dive sites. A real treat!

Loggerhead Turtle
General species description, not specific to this destination
The Loggerhead Turtle is the largest hard-shelled sea turtle, named for its massive head. While less common than Green and Hawksbill turtles on Caribbean reefs, they can be spotted at deeper reef sites.

Bull Shark
General species description, not specific to this destination
Bull sharks are one of the most impressive predators divers can encounter in warm coastal waters. These robust sharks are easily recognized by their broad, blunt snout, stocky build, and grey coloration with a white underside. Growing up to 11 feet long, they have a powerful, muscular appearance that commands respect underwater. Bull sharks are known for their curious nature and may approach divers, maintaining a confident but generally non-aggressive demeanor. They're often seen cruising along reef walls or in open water, sometimes in small groups. Their ability to tolerate both saltwater and freshwater makes them unique among sharks, and they're excellent hunters with a varied diet including fish, rays, and other marine life.
Great Hammerhead
General species description, not specific to this destination
The Great Hammerhead is the largest of all hammerhead species, instantly recognizable by its massive, flattened head extension called a cephalofoil. This prehistoric-looking predator can reach lengths of up to 20 feet, with a distinctive tall, sickle-shaped dorsal fin. Their unique head shape houses electroreceptors that help them hunt stingrays buried in sand. Great Hammerheads are solitary hunters, often seen cruising along reef walls and sandy bottoms. Despite their intimidating size, they're generally shy around divers and will often move away when approached. Their powerful swimming style and graceful movements make encounters truly memorable for fortunate divers.

Hawksbill Turtle
Destination note
Year-round sightings on every reef dive; particularly common at cleaning stations on walls and in channels; nesting season peaks June–October

Green Sea Turtle
Destination note
Very common year-round in seagrass meadows and shallow reef flats; frequently seen surfacing for air in lagoon channels and around the Rock Islands

Spotted Eagle Ray
Destination note
Year-round sightings across Palau; most frequently encountered at German Channel, Blue Corner, and Ulong Channel during the dry season (Nov–Apr); often seen in small groups of 3–6 individuals

Branching Hammer Coral
General species description, not specific to this destination
A large-polyped stony coral forming branching skeletons with short, separate corallite heads. The expanded tentacles have distinctive anchor or hammer-shaped tips, usually green, tan, or brown with paler edges. It provides shelter for small reef animals and adds complex structure to Indo-Pacific coral communities.

Blue-lipped Sea Krait
General species description, not specific to this destination
The blue-lipped sea krait is an amphibious sea snake with a slender banded body, paddle-shaped tail, and bluish lips or facial markings. It hunts eels and small fishes underwater but returns to land to rest, digest, shed, and lay eggs. Although venomous, it is generally calm and avoids divers when left undisturbed.

Common Lionfish
Destination note
Year-round resident across Palau's wrecks and sheltered reef environments; particularly abundant at the Jake Seaplane wreck and Chandelier Cave

Great Barracuda
Destination note
Large schools at Blue Corner and outer reef points year-round; tornado formations most spectacular during dry season (Nov–Apr) when water clarity is at its peak

Sebae Anemone
General species description, not specific to this destination
A predatory marine animal resembling a flower, with stinging tentacles used to capture prey and often hosting symbiotic algae.

Water temperatures of 27–30°C, visibility up to 45 meters, and currents that make the dive. Here's what Palau's diving conditions look like month by month.

Diving with scores of sharks at Blue Corner, mantas at German Channel, and WWII wrecks. Compare Palau's best dive sites ranked by difficulty and marine life.

Blue Corner, Jellyfish Lake, and WWII wrecks — Palau is the Pacific's ultimate dive destination. Complete guide to its best dive sites, operators, and tips.
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