Open the map
Load the Sea4U map with base, POIs, tours and hazard overlays in one scene.
Operational corridor SEA4U Navigator
Sea4U Navigator
Open the map and navigate with only the essentials for safety and return guidance.
Born here, raised here, and on these waters every day.
From the main Sea4U site
Choose your experience at sea
Three ways to live the coast. Three different experiences, all unforgettable.
How it works
From dock to return in three direct moves
Track your run
Keep heading, speed, ETA and alerts in view while moving across the route.
Return with confidence
Use return guidance and quick actions to get the crew safely back to base.
4.9
★★★★★
127 reviews on Google
What our guests say
Real words from real sailors
Google
M
★★★★★
Orientamento preciso, interfaccia pulita. Ci ha guidati lungo la costa di Villasimius senza un momento di incertezza. App da tenere sempre a bordo.
S
★★★★★
Noleggio gommone + navigatore = combo perfetta. La base di rientro era sempre visibile e le zone a rischio segnalate chiaramente. Consigliato!
L
★★★★★
L'app funziona anche senza segnale, la mappa si carica veloce e il tracciato verso casa è sempre lì. Semplice, affidabile, professionale.
A
★★★★★
Very smooth experience. The navigation app made our trip around Costa Rei stress-free. Always showed the way back. Highly recommend Sea4U!
Did you enjoy your Sea4U experience?
Leave a review on GoogleLaunch
Turn every departure into a controlled navigation session.
Enter the navigator and operate with a cleaner, faster and safety-first workflow.