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Cetacean Society International (CSI) is an all-volunteer nonprofit dedicated to the protection and conservation of whales and other marine mammals.


Our efforts are vital in ensuring the survival of these magnificent creatures, but we can't do it alone.


Your generous donation will support our research, advocacy, and education programs aimed at safeguarding whale populations and their habitats.


Every contribution, no matter the size, makes a significant impact.


Please join us in making a difference.


Donate today and be a part of the movement to protect our oceans and the incredible beings that call them home.

Donate Now

Help us make a difference


Thank you for your donation!

If you prefer to donate to CSI by mail, send your check to:


Cetacean Society International

c/o Brent Hall

460 Wallingford Road

Cheshire, CT 06410 USA

Please note that CSI honors your privacy and security. We will never share your name or personal information.


Your donations are tax deductible contribution provided by law. If your employer has a matching grant program, please include the application form; this will double your donation to Cetacean Society International.  (Members outside U.S.A.: please send the equivalent of the values shown above in your local currency

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