About Port De LAGADEN
small port with a sailing club and a large oyster farming center. Four islands in the Gulf of Morbihan are attached to the town: Radenec and Île Longue, which are now private property, Gavrinis Island which is home to the famous cairn and finally Berder Island.

Facilities
COORDINATES
47.58465 N, -2.90012 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
2 - 3m
Manoeuvrability
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Catamaran Berths
Yes
Dock Type
Fixed
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Sun
5AM - 9AM
15 March 2026
- Light and variable.
- Increasing from 0 to 4°C
- W 0.8m at 10s period
- UV Index: 0 - Low
- Sunny
Sun
9AM - 1PM
15 March 2026
- W 1 knots increasing to S 9 knots.
- Increasing from 5 to 10°C
- W 0.8m at 9s period
- UV Index: 1 - Low
- Partly cloudy
Sun
1PM - 5PM
15 March 2026
- SW 10 knots increasing to 13 knots. Gusts up to 18 knots.
- 10°C
- W 0.8m at 7s period
- UV Index: 3 - Moderate
- Cloudy