You may use hotels with different meeting halls suitable for the purpose where congresses, seminars, conferences can be held, also visit historical, natural and touristic places and  participate to several leisure, sports and cultural activities and discover the beauties of the district.
Green Park Kartepe Hotel:  9 Meeting and Congress Halls in different categories are available.
Yazıcılar Hotel:  2 Meeting and Congress Halls to accommodate 60 and 160 people are available.
Kocaeli University Derbent Practice Hotel: There are 6 Meeting and Congress Halls for 300, 100 and 12 people.
Cansu Alabalık Tesisleri (Trout Facilities): A Meeting and Congress Hall for 40 people is available.