Coast & lagoon
Base: Sète or Balaruc-les-Bains. A car helps on day 3, not essential before.
Day 1 — Montpellier, then the sea
Morning in the Écusson and Place de la Comédie. Lunch at Halles Castellane. Afternoon: tram to Palavas or bike to Maguelone. Evening on the jetty.
Day 2 — Sète
Halles at 8:30, tielle to take away. Canals, marine cemetery, Mont Saint-Clair for a picnic lunch. Swim at the Corniche. Dinner: cuttlefish or macaronade.
Day 3 — Thau
Bouzigues at midday (book in summer). Afternoon in Balaruc: stroll, spa if you have a slot. Sunset on the lagoon.