K.O.I. is an international group of expert hobbyist-volunteers who want to promote FUN in the hobby by teaching all aspects of Koi and pond keeping, with a focus on Science.

Enter our Contest - Win a FREE K.O.I. Mug!

Welcome To Everything KOI

Quick Links In Squares Below... Scroll down the page for more content...

Join as a NEW Member $24

NEW PLUS Membership $94

Renew an Existing Membership $15

SPECIAL! Renewal & BIG Book Binder - ONLY $20

Registration with the K.O.I. website is NOT Membership! CLICK HERE to learn more..

!If you're not havin' FUN, you're not doin' it right