v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 2026
USD ($)
Holdings
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Spinnaker ETF Series
Entity Central Index Key 0001484018
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Indexperts Gorilla Aggressive Growth ETF  
Shareholder Report [Line Items]  
Fund Name Indexperts Gorilla Aggressive Growth ETF
Class Name Indexperts Gorilla Aggressive Growth ETF
Trading Symbol RILA
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Indexperts Gorilla Aggressive Growth ETF (the "Fund") for the period November 1, 2025 to April 30, 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://indexperts.com/rila/. You can also request this information by contacting us at 800-773-3863.
Additional Information Phone Number 800-773-3863
Additional Information Website https://indexperts.com/rila/
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
Indexperts Gorilla Aggressive Growth ETF
$24
0.50%¹
¹Annualized
Expenses Paid, Amount $ 24
Expense Ratio, Percent 0.50% [1]
Net Assets $ 41,930,420
Holdings Count | Holdings 171
Investment Company, Portfolio Turnover 0.16%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of April 30, 2026)

Net Assets
$41,930,420
Number of Holdings
171
Portfolio Turnover Rate
0.16%
Holdings [Text Block]

What did the Fund invest in?

(as of April 30, 2026)

Sector Breakdown (% of net assets)

sector
%
Technology
0.364
Consumer Discretionary
0.159
Industrials
0.127
Health Care
0.126
Communications
0.096
Financials
0.053
Consumer Staples
0.029
Materials
0.025
Real Estate
0.008
Other
0.013
bar

 
Largest Holdings [Text Block]
Top 10 Holdings
(% of net assets)
Broadcom Inc
5.8%
NVIDIA Corp
5.0%
Amazon.com Inc
4.0%
Tesla Inc
3.7%
Eli Lilly & Co
3.6%
Amphenol Corp
3.6%
Netflix Inc
3.0%
Meta Platforms Inc
2.9%
KLA Corp
2.9%
Palantir Technologies Inc
2.6%
Indexperts Quality Earnings Focused ETF  
Shareholder Report [Line Items]  
Fund Name Indexperts Quality Earnings Focused ETF
Class Name Indexperts Quality Earnings Focused ETF
Trading Symbol QIDX
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Indexperts Quality Earnings Focused ETF (the "Fund") for the period November 1, 2025 to April 30, 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://indexperts.com/qidx/. You can also request this information by contacting us at 800-773-3863.
Additional Information Phone Number 800-773-3863
Additional Information Website https://indexperts.com/qidx/
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
Indexperts Quality Earnings Focused ETF
$26
0.50%¹
¹Annualized
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.50% [2]
Net Assets $ 38,320,602,000
Holdings Count | Holdings 133
Investment Company, Portfolio Turnover 0.36%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of April 30, 2026)

Fund Size (Thousands)
$38,320,602
Number of Holdings
133
Portfolio Turnover Rate
0.36%
Holdings [Text Block]

What did the Fund invest in?

(as of April 30, 2026)

Sector Breakdown (% of net assets)

sector
%
Industrials
0.188
Technology
0.168
Health Care
0.125
Consumer Discretionary
0.114
Consumer Staples
0.104
Communications
0.088
Financials
0.084
Energy
0.046
Materials
0.028
Other
0.055
bar

 
Largest Holdings [Text Block]
Top 10 Holdings
(% of net assets)
Arista Networks Inc
3.8%
Alphabet Inc
3.6%
Thermo Fisher Scientific Inc
2.4%
Cisco Systems Inc
2.2%
Exxon Mobil Corp
2.1%
HEICO Corp
2.1%
Walmart Inc
2.0%
Apple Inc
2.0%
Williams Cos Inc/The
1.9%
NRG Energy Inc
1.9%
Indexperts Yield Focused Fixed Income ETF  
Shareholder Report [Line Items]  
Fund Name Indexperts Yield Focused Fixed Income ETF
Class Name Indexperts Yield Focused Fixed Income ETF
Trading Symbol YFFI
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Indexperts Yield Focused Fixed Income ETF (the "Fund") for the period November 1, 2025 to April 30, 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://indexperts.com/yffi/. You can also request this information by contacting us at (800) 773-3863.
Additional Information Phone Number (800) 773-3863
Additional Information Website https://indexperts.com/yffi/
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
Indexperts Yield Focused Fixed Income ETF
$25
0.50%¹
¹Annualized
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50% [3]
Net Assets $ 22,718,401
Holdings Count | Holdings 79
Investment Company, Portfolio Turnover 0.30%
Additional Fund Statistics [Text Block]

Key Fund Statistics

(as of April 30, 2026)

Net Assets
$22,718,401
Number of Holdings
79
Portfolio Turnover Rate
0.30%
Holdings [Text Block]

What did the Fund invest in?

(as of April 30, 2026)

Sector Breakdown (% of net assets)

sector
%
Energy
0.225
Utilities
0.225
Financials
0.189
Health Care
0.073
Consumer Staples
0.072
Consumer Discretionary
0.06
Communications
0.049
Industrials
0.046
Materials
0.043
Other
0.018
bar

 
Largest Holdings [Text Block]
Top 10 Holdings
(% of net assets)
Prudential Financial Inc
2.3%
American Express Co
2.2%
Walt Disney Co/The
2.2%
Dow Chemical Co/The
2.2%
Morgan Stanley
2.2%
General Electric Co
2.1%
ConocoPhillips
2.1%
Boston Scientific Corp
2.1%
Consolidated Edison Co of New York Inc
2.1%
Plains All American Pipeline LP / PAA Finance Corp
2.0%
[1] Annualized
[2] Annualized
[3] Annualized