Cozumel, Mexico
    Arrecife de Puerto Morelos

    Media Luna

    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 - Media Luna offers some of Cozumel's richest pinnacle 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
    CharacterPinnacle dive
    StandoutExceptional marine biodiversity

    Media Luna often gets overlooked for Cozumel's flashier drift dives, but we think that's a mistake. This crescent-shaped coral head, sitting on a flat expanse of white sand at just 14 metres, is pure joy for a slow, observant dive. Forget the fast current; here you drift gently, or often not at all, allowing you to really get up close. We love Media Luna because it’s a masterclass in small wonders. Drop down and you’ll see the reef forming a perfect half-moon, a natural amphitheatre for activity. Look for the tiny Notchtongue Gobies perched on the coral, their eyes swivelling. Rosy Blennies peer out from their hidey-holes. The staghorn coral here is healthy, a vibrant backdrop for groups of yellowfin grunt that hang out in the shade. On the sand flats, keep an eye out for Haller's round rays, often half-buried, or the Atlantic Lookdowns, their flat, reflective bodies catching the light. It's a photographer's dream, especially with a macro lens, and perfect for newer divers looking to build confidence without battling a strong push.

    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 Media Luna

    Media Luna Ocean Conditions

    Monthly averages for Media Luna, 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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