There are many hostal, pensions and hotels as
3 *Hotel
México Hotel
4 * Hotel
AC Palacio Universal
Tryp Vigo Los Galeone

Hotel NH Collection Vigo

Hesperia
Sercotel Bahía de Vigo
Eurostar Mar de Vigo
5 *Hotel
Nagari: Boutique and spa
Pazo los Escudos closed to the sea
Bayona Parador: Sleep in a castle
Bayona Parador in the town of Bayona a few km. of Vigo in the Monterreal Castle. Also the Soutomaior Castle rent to sleeps inside.

Another way to travel is camping, there is a wide offer given the multitude of campsites prepared for it:

_Camping Paxariñas in Portonovo, Pontevedra

_Camping XXI Century San Vicente de O`Grove

_Camping Bayona Beach in Bayonne

_Camping Islas Cies in the Ria de Vigo, Pontevedra