Wonder of the Seas, which embarked on its maiden ... of thrill activities on board, such as the Ultimate Abyss – a 10-story dark tunnel slide – or the 40-foot-long FlowRider surf stimulator.

For now, though, Utopia of the Seas at No. 2 brings with it the Oasis-class favorites including the Ultimate Abyss dry slide ... Bar that debuted on Wonder of the Seas. Also on board will be ...

Welcoming 5,479 guests at double occupancy and 6,687 passengers maximum, Harmony of the Seas is among the ... amenities like the Ultimate Abyss (a 10-story slide) and three multistory waterslides.