<SEC-DOCUMENT>0001401521-25-000017.txt : 20250128
<SEC-HEADER>0001401521-25-000017.hdr.sgml : 20250128
<ACCEPTANCE-DATETIME>20250128160545
ACCESSION NUMBER:		0001401521-25-000017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250127
FILED AS OF DATE:		20250128
DATE AS OF CHANGE:		20250128

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Whittemore Kent G
		CENTRAL INDEX KEY:			0001446342
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52833
		FILM NUMBER:		25564148

	MAIL ADDRESS:	
		STREET 1:		360 CENTRAL AVENUE
		STREET 2:		SUITE 900
		CITY:			SAINT PETERSBURG
		STATE:			FL
		ZIP:			33701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN COASTAL INSURANCE Corp
		CENTRAL INDEX KEY:			0001401521
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				753241967
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		570 CARILLON PARKWAY
		STREET 2:		SUITE 100
		CITY:			SAINT PETERSBURG
		STATE:			FL
		ZIP:			33716
		BUSINESS PHONE:		727-633-0851

	MAIL ADDRESS:	
		STREET 1:		570 CARILLON PARKWAY
		STREET 2:		SUITE 100
		CITY:			SAINT PETERSBURG
		STATE:			FL
		ZIP:			33716

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED INSURANCE HOLDINGS CORP.
		DATE OF NAME CHANGE:	20081002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FMG ACQUISITION CORP
		DATE OF NAME CHANGE:	20070531
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1738098336.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-01-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001401521</issuerCik>
        <issuerName>AMERICAN COASTAL INSURANCE Corp</issuerName>
        <issuerTradingSymbol>ACIC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001446342</rptOwnerCik>
            <rptOwnerName>Whittemore Kent G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>570 CARILLON PARKWAY, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. PETERSBURG</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33716</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Beneficial Ownership, Held by Dependent Grandchildren</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19618</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Beneficial Ownership, Held by Spouse's IRA</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>364267</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person disposed of his beneficial ownership as the reporting person was removed as a custodian of the account where the shares are held. These shares remain held by the reporting person's grandchildren, but the reporting person no longer can act upon these shares in any manner.</footnote>
        <footnote id="F2">Shares held jointly with reporting person's spouse.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Alexander Baty, Attorney-in-Fact for Kent G. Whittemore</signatureName>
        <signatureDate>2025-01-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
