-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 G5u1iNCu8dgLx9irBX6PKGoZQEP0kayV0nqZVcVt8D0CU+OrXuqBnDMgVM/hCiQy
 xHGXRRo4O20F1BptYhbgrg==

<SEC-DOCUMENT>0001104659-06-036433.txt : 20060519
<SEC-HEADER>0001104659-06-036433.hdr.sgml : 20060519
<ACCEPTANCE-DATETIME>20060519180440
ACCESSION NUMBER:		0001104659-06-036433
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060517
FILED AS OF DATE:		20060519
DATE AS OF CHANGE:		20060519

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEACOR HOLDINGS INC /NEW/
		CENTRAL INDEX KEY:			0000859598
		STANDARD INDUSTRIAL CLASSIFICATION:	DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT [4412]
		IRS NUMBER:				133542736
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11200 RICHMOND AVENUE
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77082
		BUSINESS PHONE:		2818994800

	MAIL ADDRESS:	
		STREET 1:		11200 RICHMOND AVENUE
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77082

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEACOR SMIT INC
		DATE OF NAME CHANGE:	19970515

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEACOR HOLDINGS INC
		DATE OF NAME CHANGE:	19950327

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEACORE HOLDINGS INC
		DATE OF NAME CHANGE:	19950313

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEBSTER STEVEN A
		CENTRAL INDEX KEY:			0001008023

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12289
		FILM NUMBER:		06856418

	BUSINESS ADDRESS:	
		STREET 1:		3 TEXAS STREET
		STREET 2:		SUITE 1375
		CITY:			SHREVEPORT
		STATE:			LA
		ZIP:			71101
		BUSINESS PHONE:		3184291375

	MAIL ADDRESS:	
		STREET 1:		14701 ST MARY'S LANE
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000859598</issuerCik>
        <issuerName>SEACOR HOLDINGS INC /NEW/</issuerName>
        <issuerTradingSymbol>CKH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001008023</rptOwnerCik>
            <rptOwnerName>WEBSTER STEVEN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SEACOR HOLDINGS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2200 ELLER DRIVE</rptOwnerStreet2>
            <rptOwnerCity>FT. LAUDERDALE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33316</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-05-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>80.59</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-05-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-05-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The stock and option awards being reported on this Form 4 were granted pursuant to SEACOR Holdings Inc.'s 2003 Non-Employee Director Share Incentive Plan.</footnote>
        <footnote id="F2">Not applicable</footnote>
        <footnote id="F3">The options are exercisable on the earlier to occur of (1) May 17, 2007, and (2) the first annual meeting of stockholders after the date of the grant of the options, provided that the Reporting Person continues to serve as a director of the company on such date and provided that the options become immediately exercisable upon (a) a change in control of the company or (b) the disability or death of the Reporting Person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Dick Fagerstal, by power of attorney</signatureName>
        <signatureDate>2006-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----