Norwegian Bliss has an overall length of 329.80 m (1,082.0 ft), moulded beam 41.50 m (136.2 ft) and maximum draft 9.00 m (29.53 ft). The ship has gross tonnage of 168,028 GT and deadweight of 11,700 DWT. Norwegian Bliss has 20 decks, 2,220 staterooms and capacity for 4,000 passengers. More than 80% of the rooms have seaview, while 40% of them have their own balconies. There will be returning features that the Joy and Escape have combined including an aqua park, laser tag, Food Republic, Los Lobos (from the Dawn), Ocean Blue (from the Breakaway), and Cagney's.
One of the distinguishing features of Bliss is its two-story go-kart track on the top deck of the ship, making it the first cruise ship to incorporate a multi-level racing track as part of its design.
The hull art for Bliss was designed by Wyland, the internationally famous marine wildlife artist best known for his "Whaling Wall" murals[, in which he painted life-sized whales on 100 buildings all over the world.