Document and Entity Information - USD ($)	12 Months Ended
Dec. 31, 2017	Apr. 09, 2018	Jun. 30, 2017
Details
Registrant Name	DIAMONDHEAD CASINO CORPORATION
Registrant CIK	0000844887
SEC Form	10-K
Period End date	Dec. 31, 2017
Fiscal Year End	--12-31
Trading Symbol	dhcc
Tax Identification Number (TIN)	592935476
Number of common stock shares outstanding		36,297,576
Public Float			$ 1,924,073
Filer Category	Smaller Reporting Company
Current with reporting	Yes
Voluntary filer	No
Well-known Seasoned Issuer	No
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Contained File Information, File Number	017529
Entity Incorporation, State Country Name	Delaware
Entity Address, Address Line One	1013 Princess Street
Entity Address, City or Town	Alexandria
Entity Address, State or Province	Virginia
Entity Address, Postal Zip Code	22314
City Area Code	703
Local Phone Number	683-6800

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