Pierre et Vacances apartments

Hi, I'm new to this forum. I'm looking for people who own an apartment in Bonavista de Bonmont in Spain. My husband has passed away, and im dealing with his estate. Every number and email address for the property seems to be a dead end. I don't have a key for the apartment either. They are taking maintenance charges out of our bank account, so I presume it's still going. 
I don't have any access to the owners portal as it's in my husbands name, and he didn't leave any passwords.
Can anyone tell me how they contact the management?

many thanks,

Tracy