Weekend operator trip page with the dive schedule, included gear, and local marine-life notes.
South-coast dive area with wrecks, reefs, and strong tides.
South-coast dive area with wrecks, reefs, and strong tides.
Save it, log a dive, or explore nearby on the map.
Save it to come back later
Portland is a classic south-coast dive area where wrecks and reefs share the water around Portland Harbour and Balaclava Bay. The appeal is variety rather than a single feature: weekend trips rotate through different sites, and the marine life changes with the chosen reef or wreck. Strong tides and weather windows shape the day, so this is best treated as a local salt-water diving area with a proper briefing rather than a casual single-stop shore dive.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Typical Conditions
A mix of wrecks and reefs with strong tidal influence and weather-dependent site choice.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Treat Portland as weather-sensitive and tide-sensitive, and keep a conservative plan when the sea state is up.
Community notes to help plan your visit.
Scuba Diving
Weekend trips around Portland Harbour or Balaclava Bay usually stack wreck and reef dives over two days.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Weekend operator trip page with the dive schedule, included gear, and local marine-life notes.
Tourism page describing Portland Bill exposure and the Portland Race conditions.
Know this site? Improve Spot Details.

Balaclava Bay: sheltered Portland drift dive

Easy Portland harbour wreck with silt and swim-throughs.

Countess of Erne: sheltered Portland Harbour wreck

Deep submarine wreck with tide-sensitive access.