Staying in Biarritz was lovely! We are surfers ourselves so we really enjoyed the surf shops and watching them in the sea. You can hire boards but it was a bit too cold for our liking 😂
The Airbnb was within walking distance which we love to do - you can get a bus which Oihan tells you about. It was very spacious, had all the kitchen amenities you may need. The apartment was a little cold (we went in November) but there is an extra heater and lots of blankets which was a nice touch!
As shown in the pictures the shower head is very low which makes things a tad hard but we got over it quickly or you can obviously have a bath!