Pictures Of People On Cruises Is Pic. Copyrighted?

Is pic. copyrighted? - pictures of people on cruises

I have a picture of my two grandfathers (both were dececed 10 years) needs to be restored then. My question is .... the image seems to have been from a boat or a cruise vaction or one of those places that has taken pictures of people during their stay at the hotel, this image is copyrighted?