The FÓRMULA 1 Grand Prix is held at the Circuit de Catalunya on the 11,12 and 13 May and Viatges Plus in collaboration with Sagalés will provide a shuttle bus from Lloret de Mar to the Circuit de Barcelona-Catalunya (Montmeló), which passes through different towns of the Costa Brava and North Maresme. This service is provided only on racing days, the Saturday 12 and Sunday 13.
Return trips from Circuit de Catalunya will be at 17:00h, 17:30h, 18:00h and 18:30h.
For more information see here.
Arrivals to Circuit de Catalunya in Montmeló, are in front of the Sorli Discau supermarket (300 meters from the entrance to the compound):