CAREW CASTLE - Cornwall & Devon

Carew Castle isn’t one of those wrecks that requires a deep technical dive, which we love. It’s right there, practically a shore dive near Porthkerris, meaning it’s accessible and still manages to feel like a proper adventure. The SS Carew Castle was a small steamer, gone down in 1932, and what remains isn't a massive hull to penetrate, but more a scattering of intriguing metalwork across the seabed. Think twisted girders, boiler sections, and plates that have settled into the sand, making for a fantastic rummage. It’s the sheer amount of life that has taken hold here that really sells it for us. You’ll find plumose anemones, often in bright white drifts, waving from every surface. We’ve seen good-sized wrasse darting through the wreckage and conger eels peeking from beneath plates. Visibility here can be a bit variable, typical for Cornwall, but even on an average day, the sheer density of colour from the anemones and sponges makes it special. Best dived at slack water to appreciate the smaller details without battling any surge. It’s a site that rewards a slow, careful exploration, perfect for photographers or anyone who enjoys seeing nature reclaim something man-made.

Location
Cornwall & Devon, United Kingdom, Mediterranean & Europe
Coordinates
51.536290, -4.211162
Type
wreck
Maximum Depth
0m

Wreck History - CAREW CASTLE

Year Sunk
1932
Vessel Type
cargo ship
Cause
grounding
Tonnage
2,333 GRT

The SS Carew Castle was a 2,333-ton steam collier, a typical workhorse of the British coastal trade in the early 20th century. These ships were the lifeblood of the industrial nation, tirelessly transporting coal from the mines of the North and Wales to power stations, factories, and homes across the country.

In 1932, the Carew Castle's routine service was cut short by one of the mariner's oldest foes: fog. While navigating the treacherous waters off North Devon, the vessel became disoriented in the thick haze and ran aground near the notorious Hartland Point. Stuck fast on the rocks and at the mercy of the powerful Atlantic swell, the ship was declared a total loss and began to break apart where she lay.

As an intertidal wreck marked at 0 metres, the remains of the Carew Castle are a dramatic landmark on the coastline, accessible at low tide. Over the decades, the sea has salvaged and twisted much of its structure, but large sections of the hull, boilers, and heavy machinery are still clearly visible. It's a powerful and photogenic reminder of the dangers of this rugged coast, easily explored by curious beach walkers and snorkelers.

Marine Protected Area: Gower

Best Time to Dive in Cornwall & Devon

The warmest water temperatures in Cornwall & Devon occur in January, averaging 9.6°C. The coolest conditions are in December at 9.6°C.

Monthly Water Temperatures

  • January: 9.6°C (air: 7.3°C)
  • February: 9.6°C (air: 8.4°C)
  • March: 9.6°C (air: 8.6°C)
  • April: 9.6°C (air: 10.1°C)
  • May: 9.6°C (air: 12.6°C)
  • June: 9.6°C (air: 15.2°C)
  • July: 9.6°C (air: 16.6°C)
  • August: 9.6°C (air: 17.1°C)
  • September: 9.6°C (air: 15.9°C)
  • October: 9.6°C (air: 13.5°C)
  • November: 9.6°C (air: 10.7°C)
  • December: 9.6°C (air: 8.7°C)

Nearby Dive Sites in Cornwall & Devon

Nearest Dive Centres to CAREW CASTLE

Marine Life in Cornwall & Devon

Home to 192 recorded species including 93 reef fish, 18 sharks & rays, 13 whales & dolphins, 11 crabs & lobsters, 11 other, 10 seagrass & algae.

Notable Species

Recommended Packing List for CAREW CASTLE

Based on average water temperature of 9.6°C.

  • Drysuit - water at 10°C demands a drysuit with thermal undergarments
  • Hood & Gloves (7mm+) - critical to prevent heat loss
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories