The Idle Rocks
Perched on the harbor in St Mawes, Cornwall, The Idle Rocks is a masterclass in coastal charm. Locally sourced ingredients define the restaurant's daily changing menu, while the nautical-inspired design creates a serene, inviting atmosphere.

Courtesy of Relais & Châteaux
Rates & booking
Live rate
€606 / night
Lowest available room, taxes and fees included — one night, two adults, sampled about 30 days ahead. Suites and peak dates cost considerably more.
30-day average
€639
Indicative rate observed for the night of 9 October 2026, lowest room category, 2 adults, taxes and fees included. Booking.com resets the dates on affiliate entry, so set 9 October 2026 on their date picker to see the same room — availability and rates change by the hour.
Every rate we have on file
| Source | Rate / night | Observed | Book |
|---|---|---|---|
| booking | €606 | 2026-09-09 | View on Booking.com → |
Rate history (3 readings): €606 (09-09) · €655 (08-17) · €655 (08-17)
The Sanctuary perçoit une commission sur certaines réservations effectuées via nos partenaires (Booking.com, programmes affiliés CJ), sans surcoût pour vous. Les prix affichés sont mis à jour quotidiennement et restent ceux du marchand.
The house
- Signature dish
- Hake with romesco and gremolata