Dropdown search in WordPress

Good morning to everyone!
I have been looking for a good searcher for my website. I’m developing a holidays website, i have the places in portfolio section. So right now i need something to search this places with the portfolio tags, like:
Type the search:
Choose between this size: (Here could be a dropdown box)
An another options.
This is an example http://bromleyestatesmarbella.com/search/master.php
Someone know how to do it, or any plugin?

Thank you very much!