Florida Keys, United States
    Grecian Rocks Sanctuary Preserva Sanctuary

    Grecian Rocks

    Best months: Apr–Jun

    Protected Area

    Grecian Rocks Sanctuary Preserva Sanctuary

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Grecian Rocks offers some of Florida Keys's richest reef diving. Water ranges 19-32°C, warmest July, August, September.

    Best timeApr–Jun
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBull Sharks, Dolphins, Hammerhead Sharks, Seahorses and Sea Turtles · 87+ species recorded
    Water19-32°C · warmest July, August, September
    CharacterReef dive
    StandoutRich in charismatic marine life

    Grecian Rocks is one of those Florida Keys sites that often gets overlooked for its flashier neighbors, but we’re here to tell you it’s a mistake to skip it. This place is a classic, shallow reef dive, perfect for stretching out a tank and just soaking it all in. We often point new divers here, but honestly, it’s a fantastic refresh for anyone who enjoys a relaxed dive with plenty to see without battling current. What we really love about Grecian is the sheer variety of small stuff. You can spend an entire dive in one small area, spotting little sand gobies darting into their holes, or a shy Florida blenny peeking out from a crevice. Look closely and you’ll find coney and hamlets tucked in the coral, and we’ve seen some surprisingly robust schools of French grunts congregating under ledges. The ridged cactus coral and pointed pencil coral create some interesting textures, and the way the light filters through the shallows makes everything feel incredibly vibrant. Keep an eye out for Atlantic yellow cowries; they’re often tucked into the nooks, a lovely splash of color against the rock. Our best tip? Go slow. The beauty here is in the details.

    Today06:1818:0011h 42m daylightGolden hour 17:29

    Nearest Dive Centres to Grecian Rocks

    Dive shops near Grecian Rocks

    View all dive centres in Florida Keys

    Reviews for Grecian Rocks

    Sign in to write a review

    Conditions

    Ocean conditions, forecast and tides for Grecian Rocks

    Grecian Rocks Ocean Conditions

    Monthly averages for Grecian Rocks, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: 8725520 - Fort Myers, FL (28km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    27°C

    81°F · Range: 20.9–31.1°C

    Air Temperature

    26°C

    79°F

    Current Speed

    0 cm/s

    Direction: S (180°)

    Salinity

    35.98 PSU

    Wind Speed

    2.7 m/s

    5.2 knots

    Atmospheric Pressure

    1014.5 hPa

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

    Plan & book

    Ways to dive Florida Keys, from day trips to liveaboards.

    Day trips & courses

    via GetYourGuide

    Guided dives, courses and snorkel trips with instant booking.

    Find dive trips in Florida Keys

    Places to stay

    via Booking.com

    Hotels and dive resorts near Florida Keys.

    Search stays in Florida Keys

    Dive insurance

    Most travel insurance excludes or limits scuba. Check what you need before you go.

    Dive insurance explained

    Partner links: we may earn a commission if you book, at no extra cost to you. How we make money

    Where to Stay near Grecian Rocks

    Prices from Booking.com. We may earn a commission at no extra cost to you.

    Back to Florida Keys