of ms Oosterdam deck 9 (Lido)
- Fitness Center (gymnasium with separate Aerobics Room for classes; age limit is 16 yo; open 6am-9pm)
- Greenhouse Spa & Salon (relaxation complex with Therapy Rooms, Massages Room, Treatments Rooms, Hydro Pool (heated seawater), Thermal Suites, heated ceramic lounges, Sauna, Aroma Steam Room, Manicure-Pedicure Area, Relaxation Area, Beauty Salon (and barber services)
- Lido Pool area covered by retractable roof (open 7am-10pm; 1 main pool, 3 Whirlpools, bandstand for live music entertainment), served by Lido Bar and the Terrace Grill
- Terrace Grill (complimentary fast food bar- burgers, nachos, sandwiches, pizzas, wraps, juices)
- Lido Restaurant (capacity 446 seats indoor/outdoor complimentary buffet restaurant for self-service Breakfast 6-11am, Lunch 11-30-2pm, Afternoon Tea, Dinner 5:30-8pm/with the Oosterdam’s Dining Room menu; made-to-order food options, various food stations – Salad Bar, Sushi, Grill, Pizza, Pasta, Deli, Ice Cream, Desserts)
- Canaletto Restaurant (72 seats starboard location Lido Restaurant annex operating as reservations-only Italian specialty restaurant/Dinner-only, surcharges PP, open 5:30-9:30pm)
- Sea View Pool area (aft location adults-only pool with 2 Whirlpools, served by Sea View Bar.