Document and Entity Information	Total
Prospectus:
Document Type	485BPOS
Document Period End Date	May 31, 2020
Entity Registrant Name	Starboard Investment Trust
Entity Central Index Key	0001464413
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Sep. 08, 2020
Document Effective Date	Sep. 08, 2020
Prospectus Date	Sep. 08, 2020
Cavalier Fundamental Growth Fund \| Class A Shares
Prospectus:
Trading Symbol	CFDAX
Cavalier Fundamental Growth Fund \| Class C Shares
Prospectus:
Trading Symbol	CFGAX
Cavalier Fundamental Growth Fund \| Institutional Class Shares
Prospectus:
Trading Symbol	CAFGX

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The date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation 12B
-Number 240
-Section 12
-Subsection b-2

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The date of the prospectus.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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