v3.26.1
Document And Entity Information
May 19, 2026
Document Information Line Items  
Entity Central Index Key 0002090787
Amendment Description Amendment No. 1
Document Type S-1/A
Entity Registrant Name Oceanhawk Acquisition Corp.
Entity Incorporation, State or Country Code E9
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag true