5-20m
    Cozumel, Mexico
    Arrecifes de Cozumel

    Casa Blanca

    Good diving all year

    Protected Area

    Arrecifes de Cozumel

    Why dive here

    With 177+ marine species recorded in the area - including barracuda, bull sharks, dolphins, eagle rays and nurse sharks - Casa Blanca 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 · max 5-20m
    StandoutExceptional marine biodiversity

    Casa Blanca is one of those sites we always try to hit when we're in Cozumel, often overlooked because it's a little south of Cedral Wall's main entry. That's a shame, because we think it's got its own quiet magic. You're dropping onto a gently sloping wall, topping out around 10 meters, and it's just teeming with little things if you take the time to look. We’ve seen plenty of Yellowhead Wrasse darting in and out of the coral, and those Eyed Flounder do a fantastic job of disappearing into the sand. Keep an eye out for Marbled Morays peeking from crevices. We often find Caribbean Spiny Lobsters tucked away in the shadows, too. The real highlight for us, though, is how often you’ll spot turtles cruising by, completely unfazed. Visibility here usually sits around 27 meters, a bright, clear blue that really lets the colours pop. It’s also a smart jumping-off point if you’ve got good air consumption or the current is really ripping south. It allows you to stretch your dive along the reef without feeling rushed. This site is perfect for divers who appreciate a relaxed drift and enjoy spotting smaller, often missed creatures rather than just chasing the big stuff.

    Typical Casa Blanca Dive Profile

    5mSafety Stop0m5m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

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

    Today05:4217:2911h 47m daylightGolden hour 17:00

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    Conditions

    Ocean conditions, forecast and tides for Casa Blanca

    Casa Blanca Ocean Conditions

    Monthly averages for Casa Blanca, 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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