12m
    Fajardo & East Coast, Puerto Rico
    Río Espíritu Santo Natural Reserve

    ISLA NENA

    Best months: Dec–Apr

    Protected Area

    Río Espíritu Santo Natural Reserve

    Why dive here

    With 493+ marine species recorded in the area - including barracuda, blacktip reef sharks, bull sharks, dolphins and eagle rays - ISLA NENA offers some of Fajardo & East Coast's richest wreck diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeDec–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blacktip Reef Sharks, Bull Sharks, Dolphins and Eagle Rays · 493+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterWreck dive · max 12m
    StandoutExceptional marine biodiversity

    The Isla Nena wreck in Fajardo isn’t your typical deep-sea behemoth, and we love that about it. It’s an old ferry, sunk back in ‘91, and she sits shallow, just 12 metres down. What makes her special is the history, but even more so, the way the reef has just swallowed her whole. You can glide over her deck, imagining passengers, and then peer into the shadows where schools of snapper dart in and out, their scales flashing silver. We find ourselves drawn to the bow, where the structure is most intact, often finding nurse sharks tucked into crevices. The visibility here can be excellent, especially in the mornings before the boat traffic picks up. Our favourite part is the engine room access, a tight squeeze but worth it for the light rays filtering down and the chance to spot a moray eel peeking from a pipe. This site is fantastic for newer wreck divers or anyone who appreciates a chill dive with plenty to explore without worrying about depth or deco. Bring a good torch; the nooks and crannies are begging to be illuminated.

    Typical ISLA NENA Dive Profile

    5m10mSafety Stop0m12m 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

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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

    Today06:1818:0611h 48m daylightGolden hour 17:37

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    Conditions

    Ocean conditions, forecast and tides for ISLA NENA

    ISLA NENA Ocean Conditions

    Monthly averages for ISLA NENA, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (18.36, -65.51) (6km away)

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    October Averages

    Sea Temperature

    30°C

    87°F · Range: 28.8–31.3°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    4.43 m/s

    8.6 knots

    Atmospheric Pressure

    1013.3 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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