TheFork users who ate in Lloret De Mar have said really good things about Tribus Restaurant, Studio 66 and Da Giovanni. Maybe you should give them a try!
Some of the more popular vegan restaurants that offer vegetarian options on their menu in Lloret De Mar according to TheFork users include:
Tribus Restaurant, with a 9.5 rating
Studio 66, with a 9.3 rating
Da Giovanni, with a 9.1 rating