Trá an Dóilín
Trá an Dóilín, also known as Coral Beach, is a remarkable dive site located in Ireland. It stands out as one of the two maerl beaches in the country. With varying depths ranging from 2m to 7m, this site offers an ideal setting for confined water dives, making it highly suitable for beginner and advanced divers alike.
By venturing into the depths of Dóilín during nighttime, you will experience an entirely different dive that caters to divers with a bit more experience. The abundance of marine life that surrounds this site is truly captivating. Prepare to encounter a plethora of fascinating creatures including molluscs, cephalopods, pollock, wrasse, blenny, dogfish, crayfish, congar, spider crab, brown crab, nudis, octopus, cuttlefish, lobster, John Dory, and mesmerizing jellies.
At Atlantic Scuba Adventures, Trá an Dóilín holds a special place in our hearts. It serves as our go-to location for training sessions, offering an enriching experience for trainee divers. Furthermore, it presents an exciting opportunity for experienced divers to embark on an exhilarating night dive. The diverse and vibrant marine ecosystem found within the compact expanse of Dóilín attracts divers from far and wide. We invite you to join us at this breathtaking site located in the picturesque Carrowroe South, An Crompán, Conamara Municipal District, County Galway, Connacht, Ireland.
With a visibility of approximately 8m and a maximum depth of 5m, Trá an Dóilín promises an incredible underwater adventure. Whether you are just beginning your diving journey or seeking to enhance your skills as an advanced diver, this charming dive site guarantees an unforgettable experience amidst the natural wonders of Ireland's aquatic realm.
By venturing into the depths of Dóilín during nighttime, you will experience an entirely different dive that caters to divers with a bit more experience. The abundance of marine life that surrounds this site is truly captivating. Prepare to encounter a plethora of fascinating creatures including molluscs, cephalopods, pollock, wrasse, blenny, dogfish, crayfish, congar, spider crab, brown crab, nudis, octopus, cuttlefish, lobster, John Dory, and mesmerizing jellies.
At Atlantic Scuba Adventures, Trá an Dóilín holds a special place in our hearts. It serves as our go-to location for training sessions, offering an enriching experience for trainee divers. Furthermore, it presents an exciting opportunity for experienced divers to embark on an exhilarating night dive. The diverse and vibrant marine ecosystem found within the compact expanse of Dóilín attracts divers from far and wide. We invite you to join us at this breathtaking site located in the picturesque Carrowroe South, An Crompán, Conamara Municipal District, County Galway, Connacht, Ireland.
With a visibility of approximately 8m and a maximum depth of 5m, Trá an Dóilín promises an incredible underwater adventure. Whether you are just beginning your diving journey or seeking to enhance your skills as an advanced diver, this charming dive site guarantees an unforgettable experience amidst the natural wonders of Ireland's aquatic realm.
Diving Conditions Score for Trá an Dóilín
5.1
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Trá an Dóilín
Depth
5m
Visibility
8m
Experience Level
beginner
advanced
Weather Conditions for Trá an Dóilín
Wave Height
0.96m
Wind Speed
3.2 m/s
Water Temp
15°C
Visibility
9.52km
Cloud Cover
100%
Wave Period
7.7s
Air Temperature
14.9°C
Precipitation
0.7 mm
Detailed 7-Day Diving Forecast for Trá an Dóilín
Alpha
Dive Score Chart for Trá an Dóilín
Best time to dive: 16:00 with score 7.4628070175438594/10. Water conditions: Waves 1m, Wind 0.7 m/s.Best night dive time: 18:00 with score 6.828771929824562/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Trá an Dóilín: 06:00
Sunset at Trá an Dóilín: 18:00
Optimal diving conditions at Trá an Dóilín are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Best Overall
16:00Score: 7.5/10
Waves: 1m (7.6s), Wind: 0.7 m/s
Best Night
18:00Score: 6.8/10
Waves: 0.94m, Wind: 4 m/s
Seasonal Analysis for Trá an DóilínAlpha
Historical patterns and best seasons for diving at Trá an Dóilín
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Trá an Dóilín
Winter
Avg. Score: 8.0/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Trá an Dóilín
January
Score: 8.2
December
Score: 8.1
February
Score: 7.6
Ideal Conditions for Trá an Dóilín
Water Temp
15.4°C / 59.7°F
July
Visibility
13.7m / 44.9ft
December
Wave Height
1.2m / 3.9ft
December
Wave Period
8.0s
January
Seasonal Insights for Trá an Dóilín
Trá an Dóilín shows typical northern hemisphere patterns with July being the warmest month (15.4°C) and December the coldest (1.0°C). The calmest conditions typically occur in December with average wave heights of 1.2m and wave periods of 8.0s. The most comfortable wave conditions are in December with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). March is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during December to February, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 18, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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