Document and Entity Information	6 Months Ended
	Jun. 30, 2011	Jul. 18, 2011
Entity Registrant Name	Santa Lucia Bancorp
Entity Central Index Key	0001355607
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	slba
Entity Common Stock, Shares Outstanding		2,003,131
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2011