About this spot
HMS D1 is a D-class submarine that sank in 1909 and now rests on the seabed in Lyme Bay and Torbay Special Area of Conservation. The wreck sits within a marine protected area, which means the site has legal protection and is managed to preserve both the historical artifact and its marine ecosystem. Divers visiting this wreck encounter a piece of early submarine history, with the vessel's structure and artifacts providing a window into naval technology from the Edwardian era. The site has documented marine life observations from the diving community, indicating active colonization by sea life over more than a century underwater. Diving HMS D1 requires planning and respect for the conservation status of the area. The wreck attracts divers interested in naval history and technical exploration. Community videos from the site show the wreck's condition and the creatures that have made it their home. Because the site sits within a Special Area of Conservation, divers should verify any local regulations or permits needed before descending. The location offers a unique combination of historical significance and marine habitat. Multiple species observations have been logged at the site, showing the wreck's role as an artificial reef. For those seeking a meaningful dive into UK maritime history, HMS D1 provides an authentic and protected underwater experience.
📖 Guide: Diving in the United Kingdom: 57 Sites From Wrecks to Seals
Marine life
Dive types
Trip essentials
Everything you need before you pack — checklist, sun, logistics.
Trip checklist
- 🛂 Visa-free or visa-on-arrival
- 📜 C-card + dive insurance (DAN)
- 📔 Dive logbook
- 🧴 Reef-safe sunscreen SPF 50+
- 🔌 Plug type G · 230V adapter
- 💊 Seasickness meds + ear drops
- 📱 Offline maps + emergency contact
Quick facts
- 🌓 Moon First quarter · 47%
- GPS
› Sustainability disclosures
FAQ
›When is the best time to dive HMS D1?
HMS D1 can be dived year-round. Conditions vary seasonally in UK waters, so check local dive reports and tidal forecasts before planning your trip.
›What is the depth and difficulty level?
Specific depth and difficulty ratings for HMS D1 are not documented in current records. Contact local dive operators familiar with the site for precise conditions and requirements.
›What marine life is found at the wreck?
Twelve species observations have been recorded at HMS D1. The wreck acts as an artificial reef, attracting various sea creatures that colonize the structure over time.
›Do I need a permit to dive HMS D1?
HMS D1 lies within the Lyme Bay and Torbay Special Area of Conservation. Check with local authorities and dive operators about any permits or restrictions required before diving.
