POWER OF ATTORNEY

      Know all by these presents, that the undersigned hereby makes, constitutes
and appoints
Paul Robinson and Dick Fagerstal, or either of them signing singly, the
undersigned's true and
lawful attorney-in-fact, with full power and authority to:
      (1)	prepare, execute in the undersigned's name and on the undersigned's
behalf, and
submit to the U.S. Securities and Exchange Commission ("SEC") a Form ID,
including
amendments thereto, and any other documents necessary or appropriate to obtain
codes and
passwords enabling the undersigned to make electronic filings with the SEC of
reports required
by Section 16(a) of the Securities Exchange Act of 1934 and the rules and
regulations thereunder
as amended from time to time (the "Exchange Act");
      (2)	prepare, execute, deliver and file for and on behalf of the
undersigned, in the
undersigned's capacity as an officer and/or director of SEACOR Holdings Inc.
(the "Company"),
Forms 3, 4, and 5 in accordance with Section 16(a) of the Exchange Act;
      (3)	do and perform any and all acts for and on behalf of the undersigned
which may
be necessary or desirable to complete and execute any such Form 3, 4, or 5,
including any
electronic filing thereof, complete and execute any amendment or amendments
thereto, and
timely file such form with the United States Securities and Exchange Commission
and any stock
exchange or similar authority;
      (4)	seek or obtain, as the undersigned's representative and on the
undersigned's
behalf, information on transactions in the Company's securities from any third
party, including
brokers, employee benefit plan administrators and trustees, and the undersigned
hereby
authorizes any such person to release any such information to the undersigned
and approves and
ratifies any such release of information; and
      (5)	take any other action of any type whatsoever in connection with the
foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in the
best interest of, or
legally required by, the undersigned, it being understood that the documents
executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney
shall be in such
form and shall contain such terms and conditions as such attorney-in-fact may
approve in such
attorney-in-fact's discretion.
      The undersigned hereby grants to each such attorney-in-fact full power and
authority to
do and perform any and every act and thing whatsoever requisite, necessary, or
proper to be done
in the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes
as the undersigned might or could do if personally present, with full power of
substitution or
revocation, hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-
fact's substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of
attorney and the rights and powers herein granted.  The undersigned acknowledges
that the
responsibility to file the Forms 3, 4 and 5 are the responsibility of the
undersigned, and the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not
assuming, nor is the Company assuming, any of the undersigned's responsibilities
to comply with
Section 16 of the Exchange Act.  The undersigned further acknowledges and agrees
that the
attorneys-in-fact and the Company are relying on written and oral information
provided by the
undersigned to complete such forms and the undersigned is responsible for
reviewing the
completed forms prior to their filing.  The attorneys-in-fact and the Company
are not responsible
for any errors or omissions in such filings.  The attorneys-in-fact and the
Company are not
responsible for determining whether or not the transactions reported could be
matched with any
other transactions for the purpose of determining liability for short-swing
profits under Section
16(b).
      This Power of Attorney shall remain in full force and effect until the
undersigned is no
longer required to file Forms 3, 4, and 5 with respect to the undersigned's
holdings of and
transactions in securities issued by the Company, unless earlier revoked by the
undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.
      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be
executed as of this ___1________day of ____March____________, 2010.


Signature:  	/s/ Steven A. Webster
Print Name:  Steven A. Webster


STATE OF ___TEXAS________	)
      )
COUNTY OF __HARRIS_______	)
      On this _1___ day of _____March________, 2010, Steven A. Webster
personally
appeared before me, and acknowledged that he executed the foregoing instrument
for the
purposes therein contained.
      IN WITNESS WHEREOF, I have hereunto set my hand and official seal.


	/s/ Laura G. Guerra
Notary Public
My Commission Expires:  	9/14/13

L:\Corporate\SEC FILINGS\POAs\Webster, Steven.doc