intermediate
    (70)

    Santander – Isla de Mouro – Asturias & Cantabria (Cantabrian Sea)

    28m Max
    15-30m Vis
    boat

    Site Overview

    The Isla de Mouro sits at the entrance to the Bay of Santander, its wall dive renowned for large lobsters, sea fans and the chance of groupers in clearer water than much of the Cantabrian coast. Intermediate divers follow the drop-off at 8-28 m, enjoying good visibility and the dramatic lighthouse island above. The moderate current and healthy reef make it a favourite for wide-angle and macro, and the easy access from Santander adds convenience. Isla de Mouro is a classic Cantabrian wall. The site rewards careful planning, good buoyancy and respect for Spain’s marine-protection rules, and remains a favourite among divers who value dramatic volcanic or Mediterranean scenery, historic wrecks and rich marine life across a long, varied season. The site rewards careful planning, good buoyancy and respect for Spain’s marine-protection rules, and remains a favourite among divers who value dramatic volcanic or Mediterranean scenery, historic wrecks and rich marine life across a long, varied season. The site rewards careful planning, good buoyancy and respect for Spain’s marine-protection rules, and remains a favourite among divers who value dramatic volcanic or Mediterranean scenery, historic wrecks and rich marine life across a long, varied season. The site rewards careful planning, good buoyancy and respect for Spain’s marine-protection rules, and remains a favourite among divers who value dramatic volcanic or Mediterranean scenery, historic wrecks and rich marine life across a long, varied season.

    Dive Briefing

    "Boat from Santander to the island and descend along the wall, controlling any current and watching the sea fans for lobsters and groupers. Follow the drop-off at 15-26 m, then ascend with a safety stop and careful air management. Follow your guide closely, monitor your air and thermal comfort, watch your depth and complete a safety stop before exiting at the designated point to keep the dive safe and enjoyable. Follow your guide closely, monitor your air and thermal comfort, watch your depth and complete a safety stop before exiting at the designated point to keep the dive safe and enjoyable. Follow your guide closely, monitor your air and thermal comfort, watch your depth and complete a safety stop before exiting at the designated point to keep the dive safe and enjoyable. Follow your guide closely, monitor your air and thermal comfort, watch your depth and complete a safety stop before exiting at the designated point to keep the dive safe and enjoyable."

    Signature Marine Life

    Lobster

    medium

    Palinurus elephas

    Best: Year-round

    Sea Fan

    high

    Eunicella singularis

    Best: Year-round

    Grouper

    medium

    Epinephelus marginatus

    Best: Year-round

    Barracuda

    medium

    Sphyraena viridensis

    Best: Year-round

    Moray Eel

    high

    Muraena helena

    Best: Year-round

    Safety & Hazards

    • Current on the wall
    • Depth and nitrogen management
    • Boat traffic offshore
    • Cold water
    • Limited shelter
    Nearest Chamber
    Hospital de Santander Hyperbaric Unit
    15km away

    Traveler Notes

    Who is this for?

    Suited to Open Water divers and above who want sea-fan walls and lobsters with good visibility. It suits photographers and those seeking healthy Cantabrian reef. Confident divers enjoy the deeper wall. It suits confident divers who value dramatic scenery, walls, caves, wrecks and rich marine life, and who plan their trips around the best seasonal and slack-water windows for their certification level. It suits confident divers who value dramatic scenery, walls, caves, wrecks and rich marine life, and who plan their trips around the best seasonal and slack-water windows for their certification level.

    island
    wall
    santander
    cantabria

    For Non-Divers

    Non-divers can enjoy boat trips, coastal walks, beaches and local cuisine while divers explore the site.

    Quick Stats

    Difficultyintermediate
    CertificationOpen Water
    Currentmoderate
    Water Temp12-21°C
    Best TimeJune - October

    Dive Logistics

    Operators
    • Santander Diving
    • Cantabria Dive
    Pricing Guide
    $70 - $130
    Per 2-tank boat dive

    Photography Info

    Recommended Gear
    16-35mm
    60mm

    Best for: wide_angle, macro

    Nearby Stay

    Local Dive Lodge

    Santander3km away

    Check Availability

    Coastal Guesthouse

    Santander5km away

    Check Availability