About IDA


The „International Diving Association“ has been founded in June 1996 to combine the professionality with the high education standards of the CMAS. 

Current developments and perceptions directly flow to education and further development of divers and instructors so that all IDA instructors guarantee a worldwide progressive and safe diving education.

This excellent education standard and the common pleasure in the „wet element“ guarantee an ideal access into IDA diving world. Partner Associations all over the world offer all possibilities for education and further development to divers and instructors:

  • IDA is member of the CMAS Germany
  • IDA is member of "RSTC Europe"
  • IDA is member of "A.B.R.E."
  • IDA is cooperationmember of "DRK" and "Wasserwacht"

IDA Headquarter

Karsten Reimer - President 

Dorfstraße 267 

24222 Schwentinental 

Send email 

T +49(0)431 - 7992577 F +49(0)431 - 7990950




Horst Habermehl, left side (died 2020) and Karsten Reimer

Founder of International Diving Association

additional contact persons and subject group


Leader IDA-Rebreather-College

Jörg Greiner
Ziegelgrundweg 22
D-86456 Gablingen
Mobil: +49 176-20057293

Send email

Leader of diving medicine International

Dr. Gunnar Seidel
Send email
T +49(0)5322-5589390

Leader of handicapped diving

Currently not occupied

Leader of technical diving

Heike Ostowski 

Auf der Haid 51 

D-79114 Freiburg i. Br. 

Send email 

T +49(0)761 - 4537072 F +49(0)761 - 4537073

Underwater Photography / Videography

Johannes Kern     

Send email

Registration for Military Divers (In accordance with the agreements between the IDA and the German Navy)

Contact person

Thomas Freudenberg

send email



Head of Training International

Thomas Freudenberg

send email

Headquarter IDA International

Karsten Reimer

send email

International Diving Association

Karsten Reimer
Dorfstraße 267
24222 Schwentinental
E-mail: k.reimer@ida-worldwide.com


Telefon +49 (0)431 7992577
Telefon +49 (0)6641 7955
Fax +49(0)431 7990950

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