Cozumel
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Why dive in Cozumel?
BEST SEASON
Featured Animals 7
- Unlikely
- Likely
- Very likely
Nocturnal Caribbean Reef Shark
Carcharhinus perezi
The Caribbean Reef Shark is a robust, streamlined requiem shark commonly found in tropical waters of the western Atlantic Ocean, particularly around coral reefs. It is an apex predator, primarily feeding on bony fishes, cephalopods, and crustaceans. Known for its unique ability to rest motionless on the seabed or inside caves, this species typically reaches lengths of 2-2.5 meters and can weigh up to 70 kg.
BEST SEASON
Diurnal Frequent sightingsGreat Barracuda
Sphyraena barracuda
The Great Barracuda is a large predatory fish known for its fearsome appearance and speed. It has an elongated body, pointed head, and large teeth, making it a proficient hunter in coastal and open waters.
BEST SEASON
Diurnal Frequent sightingsGreen Sea Turtle
Chelonia mydas
The green sea turtle is a large marine reptile distinguished by its heart-shaped carapace and a single pair of prefrontal scales.
BEST SEASON
Diurnal Frequent sightingsHawksbill Sea Turtle
Eretmochelys imbricata
The Hawksbill Sea Turtle is a medium-sized marine turtle recognizable by its distinctive hawk-like beak and overlapping scutes, which create a serrated edge on its carapace. Primarily found in tropical coral reefs, it plays a crucial role in these ecosystems by feeding mainly on sponges, which are toxic to most other animals. This species is critically endangered due to historical exploitation for its beautiful shell and ongoing threats like habitat loss and bycatch.
BEST SEASON
Nocturnal Frequent sightingsNurse Shark
Ginglymostoma cirratum
The Nurse Shark (Ginglymostoma cirratum) is a slow-moving, bottom-dwelling shark typically found in tropical and subtropical coastal waters, including coral reefs and mangrove channels. It is a nocturnal carnivore, primarily feeding on crustaceans, mollusks, and small fish using a powerful suction-feeding mechanism. During the day, they are often observed resting in large aggregations, sometimes piled together in caves or under ledges.
BEST SEASON
Diurnal Frequent sightingsQueen Angelfish
Holacanthus ciliaris
The Queen Angelfish (Holacanthus ciliaris) is a striking marine fish known for its vibrant blue and yellow coloration, accentuated by a distinctive dark-ringed 'crown' spot on its forehead. Primarily found in coral reefs of the Western Atlantic, this species feeds on sponges, algae, and various marine invertebrates. Adults are often observed alone or in pairs, though they form harems during breeding periods.
BEST SEASON
Diurnal Frequent sightingsSpotted Eagle Ray
Aetobatus narinari
The Spotted Eagle Ray is known for its distinctive spots and elongated snout, which resembles a bird-like beak. It thrives in tropical waters, especially around coral reefs and coastal zones. The ray is a powerful swimmer and can often be seen leaping out of the water.
BEST SEASON
More marine life 26
Atlantic LizardfishSynodus saurus
Atlantic Spotted DolphinStenella frontalis
Black DurgonMelichthys niger
Blacktip SharkCarcharhinus limbatus
Caribbean Reef OctopusOctopus briareus
Caribbean Spiny LobsterPanulirus argus
Common Bottlenose DolphinTursiops truncatus
Garden EelHeterocongrinae
GlasseyeHeteropriacanthus cruentatus
Greater AmberjackSeriola dumerili
Green Moray EelGymnothorax funebris
Humpback WhaleMegaptera novaeangliae
Lemon SharkNegaprion brevirostris
LionfishPterois spp.
Midnight ParrotfishScarus coelestinus
Princess ParrotfishScarus taeniopterus
Queen ParrotfishScarus vetula
Sargassum TriggerfishXanthichthys ringens
Scarlet-Striped Cleaner ShrimpLysmata grabhami
Sergeant MajorAbudefduf saxatilis
Smooth Butterfly RayGymnura micrura
Southern StingrayHypanus americanus
Spiny Butterfly RayGymnura altavela
Spot-fin PorcupinefishDiodon hystrix
Stoplight ParrotfishSparisoma viride
Yellow StingrayUrobatis jamaicensis
Where is Cozumel
Caribbean Sea · Mexico
Frequently asked questions about Cozumel
When is the best time to dive in Cozumel?
Cozumel can be dived all year round.
What marine life can you see diving in Cozumel?
Divers can encounter 33 species in Cozumel. Highlights include Caribbean Reef Shark, Great Barracuda, Green Sea Turtle, Hawksbill Sea Turtle, Nurse Shark, and Queen Angelfish.
When can you see the Spotted Eagle Ray in Cozumel?
The Spotted Eagle Ray is most often seen in Cozumel from February to December.
When can you see the Great Barracuda in Cozumel?
The Great Barracuda can be seen in Cozumel all year round.
When can you see the Green Sea Turtle in Cozumel?
The Green Sea Turtle can be seen in Cozumel all year round.
What is the water temperature in Cozumel?
Water temperature in Cozumel ranges from 26°C in January to 30°C in June.
What wetsuit do I need to dive in Cozumel?
Most divers wear a 3 mm wetsuit in January, when the water drops to 26°C, and a rash guard or a 1–3 mm shorty in June, when it reaches 30°C.
What is the visibility like when diving in Cozumel?
Visibility in Cozumel ranges from 24 m to 45 m. The water is clearest from December to May.
What are the currents like in Cozumel?
Divers in Cozumel can expect strong or moderate currents, depending on the month and the dive site.
What can you see on a night dive in Cozumel?
After dark, Cozumel reveals nocturnal species such as Caribbean Reef Shark, Nurse Shark, Caribbean Reef Octopus, Caribbean Spiny Lobster, Glasseye, and Green Moray Eel.
Where is Cozumel located?
Cozumel is a dive destination in Mexico, in the Caribbean Sea.
Every answer is built from the conditions and sightings data we keep for Cozumel. Spotted something that looks off?
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