To coincide with National Oyster Day on 5 August 2026, here’s our guide to London’s best oyster bars. Created by a fishmonger, freshness and quality are top of the bill, and the oyster menu begins with the crème de la crème of huîtres: the French Gillardeau. 77 Dean Street, W1D 3SH, visit theseafoodbar.comBentley’s Oyster Bar & Grill, MayfairReceived wisdom is that oysters should be swallowed whole. The knowledgeable Bentley's Oyster Bar staff, who have been shucking oysters since 1916, will happily gently disavow you of this notion. 32 Henrietta Street, WC2E 8NA, visit oystermen.co.ukRead more: Sundowners: The best summer terraces and pop-up bars in London