- Maximum length
- 15 m
- VHF channel
- 9
- Maximum draught
- 1.6 m
Main harbour of Île de Groix, on the north coast of the island off Lorient in south Brittany. About 350 berths across an outer basin and a lock-gated inner basin.
Guide
Approach and anchoring
Approach from the N on transit with the red and white leading lights of Port-Tudy. Outer basin dries in parts at low water springs, inner basin holds water with gate opening roughly two hours either side of high water. Max draught 1.6 m on visitor pontoons. VHF 9 for the harbour master.
Practical
Water and electricity on pontoons, diesel on the outer quay, showers and WC at the capitainerie. Ferry terminal for the Lorient link is on the same harbour. Bakery, grocery and cafes within 100 m along the quay.
Ashore
Coastal path GR 34 circles the island, 25 km loop from the harbour. Plage des Grands Sables, the only convex beach in Europe, lies 2 km east on foot or by bike. Ecomusee de Groix, focused on the tuna fishing past, sits 300 m up from the quay.
History
Port-Tudy was built in the 1880s to serve what was then one of the largest tuna fishing fleets in France, with more than 300 boats based here around 1900.
Key facts
- Type
- Harbour
- Coordinates
- 47.64419, -3.44674 (47°38.65'N 3°26.80'W)
- Town
- Groix
- Country
- France
- Maximum draught
- 1.6 m
- Maximum length
- 15 m
- VHF channel
- 9
- Phone
- +33 2 97 86 54 62
- Boaters' rating
- 3.9/5
- Updated
- July 7, 2026
Getting there
Port - Tudy lies at 47°38.65'N 3°26.80'W, that is 47.64419, -3.44674 in decimal degrees. Call the harbour on VHF channel 9 before entering.
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Write a reviewFrequently asked questions
What boat length does Port - Tudy accept?
Port - Tudy accepts boats up to 15 m.
Which VHF channel for Port - Tudy?
Port - Tudy answers on VHF channel 9.
How do boaters rate Port - Tudy?
Port - Tudy is rated 3.9/5 by boaters on BoatMap.
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