KPMG
P. O. Box 4150
Honolulu, HI 96812-4150



                              Accountants' Consent

The Board of Directors
Cyanotech Corporation

We consent to incorporation  by reference in the Registration  Statement on Form
S-3 of Cyanotech Corporation, registering 916,667 shares of common stock, of our
report  dated  May 5,  2000,  relating  to the  consolidated  balance  sheets of
Cyanotech  Corporation and  subsidiaries as of March 31, 2000, and 1999, and the
related  consolidated  statements of operations,  stockholders'  equity and cash
flows for each of the years in the three-year period ended March 31, 2000, which
report is  included  in the 2000  annual  report to  stockholders  of  Cyanotech
Corporation.  We also consent to  incorporation by reference of our report dated
May  5,  2000,  relating  to  the  financial  statement  schedule  of  Cyanotech
Corporation  and  subsidiaries  for the three-year  period ended March 31, 2000,
which report is included in said Form 10-K.

We also consent to the reference to our firm under the heading  "Experts" in the
prospectus.


KPMG LLP
Honolulu, Hawaii
July 28, 2000