Marina Itajaí is a full-service marina located in Itajaí, Santa Catarina, Brazil, situated along the Rio Itajaí-Açu. It serves as a key access point for boaters and anglers exploring the river and surrounding coastal waters.

The facility can accommodate up to 355 vessels in both dry and wet storage, with boat lifts handling craft up to 70 tons and draft clearance to 3. 5 meters, fitting boats up to 180 feet.

On-site amenities include a nautical fuel station, convenience store, gastronomic area, and 24-hour security monitoring.

Its strategic position — close to major national highways and approximately 10 minutes from an international airport — makes it a practical base for both regional and visiting mariners.