On Easter Sunday there were just six passengers.
He had no words to express his thanks for "everything they have done for me".
Some 750 people are in an especially vulnerable situation.
Minorca's construction sector is wanting workers to be tested.
Work would not normally be permitted during the main tourism season.
Two new cases reported on Friday; there were none on Thursday.
A 77-year-old man is the fourth person to die in Minorca.