The Main Deck has the ship’s Atrium Lobby area (upper level 3 of 3). The 3-decks high Atrium has an open-floor design (glass-domed, with a sweeping staircase). The Lobby has the ship’s Reception (guest assistance, information, daily activities program), Excursion Counter (tours/excursions booking and information), and the ship’s main entrance areas (starboard and portside).
Board Shop sells mainly occasion gifts and souvenirs.
The “Day Lounge” is a casual venue served with drinks by the Cafe-Bar and with food by the Restaurant’s buffet station.
The “Market Restaurant” is the open-seating Dining Room (no table reservations needed). The menu offers healthy choices and regional cuisine specialties along with the traditional Mediterranean dishes. The boat’s restaurant has an open kitchen, a large round-shaped Buffet, and a big-capacity outdoor seating area.
Accessed from the Lobby is the ship’s Gym and the “SPA-ROSA” facilities- Beauty Salon/Spa (massages, facial treatments, hair/barber services), Sanarium (less heated Finish Sauna, with a great outside view), Organic Sauna (Steam Room), Massage Showers, Changing Rooms and a large Relaxation Room.
The “Riva Lounge & Bar” (bow-ship location) provides 270° panoramic views from floor-ceiling windows. This is the ship’s show venue with stage and dance floor for the live evening entertainment. Depending on the visited regions and ports along the A-Rosa Riva itinerary, the Lounge hosts tours/excursions- and culture/history related lectures and multimedia presentations by the line’s enrichment program. Other special events here are the themed nights, cocktail hours, food and wine tastings, afternoon tea/coffee, local dancers, and musicians' performances. At the Riva Bar, SELECT-price booked guests can purchase an all-inclusive beverage package at a fixed price per day (per person).
Deck 3 has all 6 cruise cabins (from 302 to 312), all of which are with a large non-opening Panoramic Window (category B, starboard location).