Database in WP

I just started with WP – got well through the installation and set up my first WP-page.

Now I would like to create a database containing B&B-rooms in different locations, which can be searched by specifying criteria like: Price, place, etc… Each entry in the search should correspond to a website I would create for every B&B.

Does anybody have some suggestions how to address this project in WP?

Thank you in avance,
lemniskate