v3.26.1
Shareholder Report
 6 Months Ended
Mar. 31, 2026
USD ($)
Holdings
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Starboard Investment Trust
Entity Central Index Key 0001464413
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Sector Rotation Fund  
Shareholder Report [Line Items]  
Fund Name Sector Rotation Fund
Class Name Sector Rotation Fund
Trading Symbol NAVFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Sector Rotation Fund (the "Fund") for the period October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://fundinfopages.com/NAVFX. You can also request this information by contacting us at 800-773-3863.
Additional Information Phone Number 800-773-3863.
Additional Information Website https://fundinfopages.com/NAVFX
Expenses [Text Block]

What were the Fund costs for the past six months?

(based on a hypothetical $10,000 investment)

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Sector Rotation Fund
$93
1.89%¹
¹Annualized.
Expenses Paid, Amount $ 93
Expense Ratio, Percent 1.89% [1]
Net Assets $ 39,767,519
Holdings Count | Holdings 11
Investment Company, Portfolio Turnover 81.30%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of March 31, 2026)

Net Assets
$39,767,519
Number of Holdings
11
Portfolio Turnover Rate
81.30%
Holdings [Text Block]

What did the Fund invest in?

(as of March 31, 2026)

Sector Breakdown (% of net assets)

sector
%
Communications
0.204
Industrials
0.196
Technology
0.176
Consumer Discretionary
0.135
Health Care
0.103
Commodities
0.071
Short-Term Investment
0.062
Financials
0.056
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Largest Holdings [Text Block]
Top Ten Holdings
(% of total net assets)
Vanguard Communication Services ETF
20.4
Vanguard Industrials ETF
19.6
Vanguard Information Technology ETF
17.5
Vanguard Consumer Discretionary ETF
13.5
Vanguard Health Care ETF
10.3
Fidelity Treasury Portfolio
6.2
ProShares Ultra Silver
4.8
Vanguard Large-Cap ETF
3.0
ProShares UltraShort Bloomberg Crude Oil
2.3
State Street SPDR S&P 500 ETF Trust
2.7
[1] Annualized.