The International Hydrofoil Society

The International Hydrofoil Society (IHS) is an all volunteer, not-for-profit organization of and for people who design, build, operate, or simply are interested in commercial, military, research, or recreational hydrofoils of any size or power source … motor, human, sail, or surf.




Many Thanks to our Sponsors

Island Engineering
Gig Harbor Marina
Naiad Dynamics

Learn more about The Mandles Prize

Rules and Forms for the Mandles Prize

CURRENT Mandles Prize contact information: or
Interested in Joining IHS? Navigate to the JOIN IHS page.

Disclaimer: IHS does not endorse or recommend specific products or services, nor does IHS accept paid advertising. However, the Links Out and BBS pages features sellers of many hydrofoils and related products as a service to the hydrofoil community.