Nautical Porthole Illustration - Vector Graphic for Maritime Design #72730 (License: Personal Use)

This digital illustration depicts a classic round porthole commonly found on ships and submarines, featuring a gradient blue transparent center simulating glass, a thick golden-yellow metallic frame, and six evenly spaced bolts securing the assembly. A small cylindrical side tube extends from the right edge, suggesting a ventilation or optical function, while two blue locking brackets add structural realism. The design balances technical accuracy with clean graphic styling for versatile use.

Used in maritime-themed websites, educational materials about naval architecture, UI elements for ocean exploration apps, or as stock imagery for travel and adventure content; targets users seeking authentic yet stylized nautical visuals.