The Restaurant at Hotel Barriere Le Royal Deauville
The restaurant at Hotel Barriere Le Royal Deauville is referenced by those who travel for a living. Out of 2 publications that we tracked, 2 recommended the restaurant, such as Frommer's and Oyster.
Hotel Barriere Le Royal Deauville 
Frommer's
Oyster
Frommer's "Non-guests may sit at Deauville’s top table by dining at Restaurant l’Etrier (fixed-price menus 67€–115€)"
Oyster "The hotel's l'Etriet restaurant is a
real gem and the heated outdoor pool is pleasant, if a little small"
