CruiseMapperDeck PlansViking Sea deck plansViking Sea deck 4 planViking Sea deck 4 planDeck layout and review Deckplan info All deckplans Ship Wiki Previous Deck 3Next Deck 5 Previous Deck 3Next Deck 5 All Deckplans Ship Wiki StateroomsReview of Viking Sea deck 4Laundry facilityCruise cabins from 4000 to 4123, of which Explorer Suite (categories ES1, ES2), Penthouse Veranda (PV3) and Deluxe balcony rooms (categories DV1, DV4, DV5).