All Hotels Turkey [more]
Includes information about hotels, car rental, tours, and restaurants.
http://www.turkeysbest.com/

Allhotelbooking.com [more]
Hotel booking service for major cities.
http://www.allhotelsbooking.com/

Bed and Breakfast in Turkey [more]
A database of small accommodations in Istanbul, Antalya, Selcuk and around various cities.
http://www.bedandbreakfastturkey.com/