There are a number of boats, sailing out of Denia:

to Palma Majorca (fast ferry) 5 hours (via Ibiza)

(slow ferry) 9 hours (via Ibiza)

to Ibiza (fast ferry) 2 Hours

(slow ferry) 4 Hours

to Formentera 4 hours (once a week service)

Ibiza to Formentera (fast ferry) 30 minutes

(slow ferry) 1 hour

Denia to Menorca no direct service but take the Denia to Majorca ferry, get a taxi across the island to the port of Alcudia and from take the one hour ferry trip to Menorca

For seasonal sailing times, prices and reservations call 902 160 180