1) The right depth
Too close, we don't see anything. And too far, We can't guess what the bottom looks like.
2) Objects, drinks, and food in the picture
To the extent that you can please include some elements in the picture whether it's a coffee, cocktail, food...even a computer.
You would not believe how much a muffin next to a tablets helps making the place look more enticing.
3) Creative picture
If you want to recommand this place, I'm sure it's because the place has that something special that makes you feel good.
Is it a nice painting, a confortable couch, a beautiful view or an amazing interior design? Try and include this in the picture.
4) Good quality
Try to get the best quality for your photo. If you share a photo it's beacuse you like the place,
if the quality is poor, it will reflect poorly on the place and eveyone's credibility.
5) Good lighting
The better the light the higher the quality of the photo.