18m
    Beginner
    St. Thomas & St. John, US Virgin Islands
    Buck Island

    Buck Island Point (Submarine Alley)

    Best months: Jan–Dec

    Protected Area

    Buck Island

    Why dive here

    With 476+ marine species recorded in the area - including barracuda, blacktip reef sharks, dolphins, eagle rays and humpback whales - Buck Island Point (Submarine Alley) offers some of St. Thomas & St. John's richest reef diving. Water sits around 27°C.

    Marine lifeBarracuda, Blacktip Reef Sharks, Dolphins, Eagle Rays and Humpback Whales · 476+ species recorded
    Water27°C · warmest January, February, March
    CharacterReef dive · max 18m
    StandoutExceptional marine biodiversity

    Buck Island Point, affectionately known as Submarine Alley, is a pretty chill dive. At a gentle 18 meters, it’s a perfect spot for new divers or anyone just wanting an easy, relaxed bob around. We’ve drifted along here, watching schools of sergeant majors dart between the coral heads, and often spotted southern stingrays fanning themselves in the sand. It’s not going to blow your mind with massive pelagics, but for a calm Caribbean afternoon exploring the nooks and crannies for trumpetfish and grunts, it hits the spot.

    Typical Buck Island Point (Submarine Alley) Dive Profile

    10m20mSafety Stop0m18m max~50 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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:0518:4112h 37m daylightGolden hour 18:12

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    Conditions

    Ocean conditions, forecast and tides for Buck Island Point (Submarine Alley)

    Buck Island Point (Submarine Alley) Ocean Conditions

    Monthly averages for Buck Island Point (Submarine Alley), sourced from NOAA buoy data - nearest station: Open-Meteo grid (18.32, -64.9) (0km away)

    August Averages

    Sea Temperature

    27.08°C

    81°F

    Air Temperature

    27.54°C

    82°F

    Wind Speed

    8.86 m/s

    17.2 knots

    Atmospheric Pressure

    1014.9 hPa

    Based on 5 years of monitoring data · Data sources: NOAA NDBC

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