v3.25.2
Form N-1A Cover
Jul. 29, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name Spinnaker ETF Series
Entity Central Index Key 0001484018
Entity Investment Company Type N-1A
Document Period End Date Jul. 29, 2025
Prospectus Date Aug. 01, 2025