Great Wall - Roatán
Les tunnels d’Actinéria sits tucked away on the outer reef, a nice escape from any choppy surface conditions. It’s a site that really comes alive if you slow down and actually look; those small faults and tunnels are absolutely packed with tiny details. We’ve spent whole dives just poking around, spotting electric flame scallops tucked into crevices, and more cowries than we knew what to do with – the lined-lip and carnelian are our favourites here. Sunlight filters in through the openings, highlighting the bright discus anemones and the orangutan crabs clinging to them. Deeper, around 17 metres, the brain and honeycomb corals form some impressive structures. While it’s certainly a spot for macro fans, we’ve also had surprising pelagic encounters. Once, we had a proper tiger shark cruise by, completely unexpected in such a sheltered spot. It just goes to show, you never quite know what will drift past. This spot is brilliant for photographers, especially those who love exploring small spaces and finding the hidden gems within a busy reef. You'll want good buoyancy for navigating the tighter sections.
- Location
- Roatán, Honduras, Central America
- Coordinates
- 16.118800, -86.942900
- Type
- reef
Marine Protected Area: Sistema de Humedales de la Isla de Utila
Best Time to Dive in Roatán
The warmest water temperatures in Roatán occur in September, averaging 30.2°C. The coolest conditions are in February at 27.3°C.
Monthly Water Temperatures
- January: 27.4°C
- February: 27.3°C
- March: 27.4°C
- April: 28.0°C
- May: 28.9°C
- June: 29.3°C
- July: 29.1°C
- August: 29.7°C
- September: 30.2°C
- October: 30.0°C
- November: 29.1°C
- December: 28.3°C
Nearby Dive Sites in Roatán
- Airplane Wreck (cave)
- Airplane Wreck (wreck)
- Airport Caves (cave)
- Airport Caves (cave)
- Airport Caves (cave)
- Alaina’s Sandy Bottom (reef)
- Alaina’s Sandy Bottom (wreck)
- Anka s Place - 10-30m (reef)
- Anthony’s Key Resort House Reef (cave)
- Anthony’s Key Resort House Reef (reef)
- Aquarium (reef)
- Aquarium (cave)
- Bando Beach (reef)
- Bando Beach (reef)
- Bayman Drop (wall)
Nearest Dive Centres to Great Wall
Marine Life in Roatán
Home to 170 recorded species including 150 reef fish, 5 sea snails & nudibranchs, 5 hard corals, 4 other, 1 sharks & rays, 1 seagrass & algae.
Notable Species
- Whale Shark (Rhincodon typus) - Sharks & Rays
- Smallmouth goby (Risor ruber) - Reef Fish
- Giant goby (Gobiomorus dormitor) - Reef Fish
- Green Turtle (Chelonia mydas)
- Horse-eye Jack (Caranx latus) - Reef Fish
- Needlefish (Strongylura timucu) - Reef Fish
- Mulet (Mugil curema) - Reef Fish
- Broad Shad (Gerres cinereus) - Reef Fish
- Small-scaled spinycheek sleeper (Eleotris pisonis) - Reef Fish
- Hawksbill Turtle (Eretmochelys imbricata)
- Butterfish (Eucinostomus melanopterus) - Reef Fish
- Molly Miller (Bathygobius soporator) - Reef Fish
- Schoolmaster (Lutjanus apodus) - Reef Fish
- turtlegrass (Thalassia testudinum) - Seagrass & Algae
- Slippery Dick (Halichoeres bivittatus) - Reef Fish
- Great Barracuda (Sphyraena barracuda) - Reef Fish
- Common Snook (Centropomus undecimalis) - Reef Fish
- American eel (Anguilla rostrata) - Reef Fish
- Hound Needlefish (Tylosurus crocodilus) - Reef Fish
- Scrawled Sole (Trinectes inscriptus) - Reef Fish
Recommended Packing List for Great Wall
Based on average water temperature of 28.7°C, currents 7 cm/s.
- Shorty or Rashguard - warm 29°C water needs minimal exposure protection
- 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