Royal Caribbean Harmony of the Seas began sailing in May with initial cruisers getting a shot of adrenalin on a twin set of dry slides on the aft of the ship called The Ultimate Abyss.

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

A sister to Royal Caribbean's giant Oasis of the Seas and Allure of the ... multi-deck water slides -- a first for Royal Caribbean. Harmony also will be the first Oasis class ship with a Bionic ...

the Ultimate Abyss slide, that is the real show-stopper, spiraling down 100ft. Supercell is another must-try ride, which sends riders swirling into a giant bowl. Harmony of the Seas, which is ...

Scheduled to debut in April, Symphony will be more than 3,000 tons bigger than the current size leader in the cruise world, Royal Caribbean's 226,963-ton Harmony of the Seas. Like Harmony ...

This is what TODAY discovered as we set sail last Friday (May 20) onboard the world’s largest cruise ship, Royal Caribbean’s Harmony of ... Abyss is a pair of dry slides sitting at 45.7m ...

The Royal Caribbean's 226,963-ton Harmony of the Seas, on late Saturday departed ... Comprised of two swirling slides, it drops nine stories from near the top of the vessel down to one of its ...

Royal Caribbean International has revealed new details on the upcoming Harmony of the Seas, the line's new Oasis ... billed as the tallest water slide at sea at more than 150 feet above sea ...

The much-anticipated Ultimate Abyss – the tallest slide at sea – overlooks the AquaTheatre at the back of the ship and drops 100 feet from Deck 16 to Deck 6. Ultimate Abyss is two side-by-side ...

Harmony of the Seas experienced a similar situation in ... reimagined Caribbean pool deck and new thrills like the10-story ...

The 5,479-passenger Harmony of the Seas benefits from Quantum ... part of the ship overlook its Central Park atrium and a dry slide, “The Ultimate Abyss,” overlooks the aft.