Ferries from Santander to Rosslare can peak at up to undefined daily sailings, Sailing frequency typically peaks in the summer months, with approximately undefined departures offered each week. While schedules may be reduced from Santander to Rosslare in other seasons, ferry services are often still available.

Ferry travel from Santander to Rosslare on average typically takes -. The earliest ferry usually leaves from Santander at -, arriving to Rosslare at - The latest ferry departs at - and arrives at -.