Around 100,000 tourists are still in hotels and private accommodations on both islands, despite a nationwide lockdown.
Angel Victor Torres, the President of the Canaries, revealed in a press conference that the number of guests still on the islands is between 80,000 and 90,000.
And an estimated 15,000 holidaymakers remain on the Balearics.
Remaining hotels are being urged by Torres to close and guests asked to leave.
The Federal Government of Spain has announced that it will give the autonomous regions €210 million in the fight against coronavirus.
More than 17,000 people in Spain are infected with the virus, up 25 per cent since Wednesday.