Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Jun. 17, 2020	Jun. 28, 2019
Document And Entity Information
Entity Registrant Name	Brownie's Marine Group, Inc
Entity Central Index Key	0001166708
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Voluntary Filers	Yes
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business Flag	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,524,099
Entity Common Stock, Shares Outstanding		301,010,168
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019