Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Marseille (62% of total searches to Golfe du Lion). The next most popular destinations are Montpellier (23%) and Aix-en-Provence (8%). Searches for hotels in Cassis (7%) are also popular.
KAYAK users have found double rooms in Golfe du Lion for as cheap as $42 (Arles) in the last 3 days. The average price is $418.