Wreck of Daniel Cotton
Protected Area
John o' Groats
Why dive here
With 140+ marine species recorded in the area - including blue whales, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - Wreck of Daniel Cotton offers some of Scapa Flow, Orkney's richest wreck diving. Water ranges 8-14°C, warmest July, August, September.
Diving the Ilmarinen isn't your typical tropical jaunt, and that’s precisely why we love it. This isn't about blinding colours or warm currents; it's about history suspended in time. We've always been drawn to wrecks that tell a story, and the Ilmarinen, a Väinämöinen-class coastal defence ship sunk in 1941, has tales etched into every rivet. Descending into the cool, often murky Baltic, you feel the chill before you even see the dark silhouette. The visibility can be temperamental here, but on a good day, the sheer scale of the ship emerges from the gloom. Our favourite part is navigating the upper decks, where gun emplacements still stand, draped in fishing nets and growth. It’s an eerie experience, the light fading quickly as you drop deeper. Look for the schooling cod and blennies that have made homes in the superstructure. This dive suits those with a deep appreciation for maritime history and a tolerance for colder, darker waters. It’s a profound experience, stark and haunting, a tangible connection to a past conflict.
Typical Wreck of Daniel Cotton Dive Profile
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.
Cold water this month (avg 13°C). Drysuit or thick wetsuit (7mm+) recommended.
Always perform a 3-minute safety stop at 5m before surfacing.
Nearest Dive Centres to Wreck of Daniel Cotton
Dive shops near Wreck of Daniel Cotton
View all dive centres in Scapa Flow, OrkneyReviews for Wreck of Daniel Cotton
Conditions
Ocean conditions, forecast and tides for Wreck of Daniel Cotton
Wreck of Daniel Cotton Ocean Conditions
Monthly averages for Wreck of Daniel Cotton, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (58.64, -3.16) (8km away)
October Averages
Sea Temperature
13°C
55°F · Range: 11.4–13.8°C
Air Temperature
10°C
50°F
Wind Speed
9.26 m/s
18.0 knots
Atmospheric Pressure
1005.3 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
Plan & book
Ways to dive Scapa Flow, Orkney, from day trips to liveaboards.
Day trips & courses
via GetYourGuideGuided dives, courses and snorkel trips with instant booking.
Find dive trips in Scapa Flow, OrkneyPlaces to stay
via Booking.comHotels and dive resorts near Scapa Flow, Orkney.
Search stays in Scapa Flow, OrkneyDive insurance
Most travel insurance excludes or limits scuba. Check what you need before you go.
Dive insurance explainedPartner links: we may earn a commission if you book, at no extra cost to you. How we make money
Where to Stay near Wreck of Daniel Cotton
Prices from Booking.com. We may earn a commission at no extra cost to you.
