In Arcachon, you can go on one of the organized excursions - bus or walking tour of the city's main sights.
Of course, as in many other resort towns, boat trips are popular in Arkashon. The cost of excursions in Arkashon varies depending on the local travel agency or tourist office chosen. But in general, prices for excursions in Arkashon start from 20 EUR.
In the heart of Arcachon Bay lies Bird Island, famous for its stilt houses. Interestingly, the island’s size changes with the tides, ranging from about 100–165 to 1,700 hectares. Be sure to include a visit to this island in your sightseeing itinerary.
