Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2020	Apr. 06, 2021	Jun. 30, 2019
Document And Entity Information
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2020
Current Fiscal Year End Date	--12-31
Entity File Number	000-29461
Entity Registrant Name	SEAFARER EXPLORATION CORP
Entity Central Index Key	0001106213
Entity Tax Identification Number	90-0473054
Entity Incorporation, State or Country Code	FL
Entity Address, Address Line One	14497 N. Dale Mabry Highway
Entity Address, Address Line Two	Suite 209-N, Tampa
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33618
Country Region	813
City Area Code	448-3577
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Interactive Data Current	No
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 34,870,590
Entity Common Stock, Shares Outstanding		5,380,268,545