Cozumel, Mexico
    Arrecife de Puerto Morelos

    Puerto Morelos The Aquarium

    Good diving all year

    Protected Area

    Arrecife de Puerto Morelos

    Why dive here

    With 177+ marine species recorded in the area - including barracuda, bull sharks, dolphins, eagle rays and nurse sharks - Puerto Morelos The Aquarium offers some of Cozumel's richest reef diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Bull Sharks, Dolphins, Eagle Rays and Nurse Sharks · 177+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Okay, let's talk about Puerto Morelos The Aquarium. We love this site for its genuine, unpretentious charm. It’s not about dramatic drop-offs or big pelagics, it’s about the sheer density of everyday reef life, all tucked into a relatively shallow spot. Dropping down, the first thing you notice is the way the light filters through the ridges of stony and soft corals, illuminating schools of French Grunts and Yellowtail Parrotfish. We’ve spent whole dives here just watching the smaller stuff – the Rosy Blennies peeking out, Molly Millers darting amongst the coral, and Notchtongue Gobies sifting sand. Keep an eye out for a Pacific Spotted Scorpionfish, they're surprisingly well camouflaged against the textured reef. The maximum depth of 14 metres means you get really good bottom time, perfect for photographers or anyone who just wants to slow down and absorb the environment. We’d suggest going in the morning; the light is better, and the current tends to be milder, making it easier to drift gently and just observe. While it won't challenge advanced divers, it's an excellent place for newer divers to build confidence and for anyone who appreciates the quiet ballet of a healthy, bustling reef.

    Safety Notes

    Strong currents typical this month (avg 79 cm/s). Good buoyancy control essential.

    Today05:4217:2911h 47m daylightGolden hour 16:59

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    Conditions

    Ocean conditions, forecast and tides for Puerto Morelos The Aquarium

    Puerto Morelos The Aquarium Ocean Conditions

    Monthly averages for Puerto Morelos The Aquarium, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: Yucatan Basin - 120 NM ESE of Cozumel, MX (227km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.7–32.3°C

    Air Temperature

    29°C

    84°F

    Current Speed

    78.6 cm/s

    Direction: NE (36.7°)

    Chlorophyll-a

    0.046 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.99 PSU

    Wave Height

    1.1m

    6.7s period

    Wind Speed

    5.5 m/s

    10.7 knots

    Atmospheric Pressure

    1010.7 hPa

    Visibility

    24.1 nmi

    Based on 5 years of monitoring data · Data sources: NOAA NDBC + Copernicus Marine (EU)

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