The coastal D559 is served by VarLib (www.varlib.fr) buses 7801 and 7802, running between St-Tropez and Toulon (€3, two hours, up to 20 per day).
Vedettes Îles d’Or et Le Corsaire runs boats to the Îles d'Hyères from Le Lavandou, Cavalaire and La Croix-Valmer.
From Le Lavandou, boats go to Île du Levant (return adult/child €28/23, 35 to 55 minutes), Île de Port-Cros (€28/€23, 35 to 55 minutes) and Île de Porquerolles (€36/28, 45 to 75 minutes). Trips from Cavalaire and La Croix-Valmer cost about €5 extra.
There are also multi-island cruises (adult/child €48/39) on high-speed La Croisière Bleue vessels, which stop at both Île de Porquerolles and Île de Port-Cros. The company also runs a summer-only ferry to St-Tropez from Le Lavandou (adult/child €47/37), Cavalaire (€32/26) and La Croix-Valmer. Note that in winter, boats only connect Le Lavandou, Île du Levant and Île de Port-Cros.