I'd recommend checking out top things and places to eat on trip advisor.
Here is a link for activities in the area (copy and paste):
https://www.tripadvisor.com/Attractions-g494960-Activities-Lloret_de_Mar_Costa_Brava_Province_of_Girona_Catalonia.html
Here is a link for places to eat in the area (copy and paste):
https://www.tripadvisor.com/Restaurants-g494960-Lloret_de_Mar_Costa_Brava_Province_of_Girona_Catalonia.html
Vila Vella (Old Town), Beach, and Castle
Tossa de Mar, CT 17320, Spain
Explore old town in the only surviving walled city on the Catalan coast. Be sure to check out Castillo de Tossa de Mar castle right next to the beach.
Salvador Dalí House Museum
Port Lligat, CT 17488, Spain, +34 972 25 10 15
Nature and Wildlife Area Walk Aiguamolls de l'Empordà