I recommend La Boite a Huitres in Bordeaux if you love oysters. In fact all seafood. But they specialise in oysters. Different grades/different prices. The ones from Arcachon are by far the best imo.
You can dine inside or out on the wide street. It was a sunny, warm day in October last year and we sat out for lunch. Ordered a rustic pate and bread to share to start. White wine and I thought I'd ordered 12 of number 2 oysters from the menu. In fact my french let me down and we were served with 2 dozen between us. Gorgeous, but I gave up after 9 and hubby finished them off.
It's lovely to sit in such a relaxed place and soak up everything going on around you. The oyster shucker stands at the doorway of the restaurant shucking away happily, while you sit, eat and watch the world go by.
My faux pas in ordering did cost us dear unfortunately. 68 euros for lunch stung a wee bit