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
Fri
5AM - 9AM
27 February 2026
- SW 16–22 knots. Gusts up to 30 knots.
- 11°C
- SW 1.6m at 7s period
- UV Index: 0 - Low
- Rain
Fri
9AM - 1PM
27 February 2026
- SW 16–19 knots. Gusts up to 29 knots.
- 11°C
- SW 1.7m at 7s period
- UV Index: 0 - Low
- Chance of showers
Fri
1PM - 5PM
27 February 2026
- SW 18 knots increasing to 21 knots. Gusts up to 31 knots.
- 11°C
- W 1.7m at 7s period
- UV Index: 0 - Low
- Cloudy