Did you try searching before posting??

Diving - Doha Sub-Aqua Club
Website: http://www.dohasubaquaclub.com
Phone: 565 1775
Location: Ras abou Abboud, opposite Marriott Hotel

Diving - Padi Diving Courses
Website: http://www.qdive.net
Phone: 531 9507
Location: Doha Intercontinental Hotel
email: [email protected]

Regards!!