Cruise lines have long competed over bigger ships and flashier amenities, but one company is now taking that rivalry to new heights — literally.

MSC Cruises has unveiled plans for a sprawling open-air “theme park” at sea aboard its upcoming flagship, MSC World Asia, including an over-water swing ride that will send passengers soaring above the ocean, according to a company press release.

The attraction, called “Cliffhanger,” is billed as Europe’s first over-water swing of its kind, suspended high above the ship’s deck with unobstructed views of the surrounding sea.

It will be part of a larger outdoor zone known as “The Harbour,” designed as a central hub for open-air experiences and family activities, the company said.

The Harbour is expected to feature a ropes course, waterslides and what MSC says will be the longest dry slide at sea, along with a playground and gathering spaces, according to the announcement.

At night, the area is designed to transform into a lit-up entertainment zone with extended programming.

“As a family-owned company, MSC Cruises knows what it takes to keep the whole family happy on holiday,” Steve Leatham, the company’s vice president of entertainment, said in a statement.

MSC Cruises, based in Geneva, is the world’s third-largest cruise line, operating 23 ships that sail to more than 300 destinations across five continents.

The outdoor park reflects a broader push toward immersive, all-ages experiences — a trend gaining momentum across the cruise industry as ships increasingly resemble floating resorts, according to reports.

At the center of the MSC ship will be the “Family Aventura District,” a dedicated area combining outdoor attractions with indoor entertainment spaces, including a 10,000-square-foot kids club and an interactive arena where the floor itself becomes part of digital game shows, according to MSC Cruises.

The vessel is also expected to incorporate tech-driven experiences aimed at older kids and teens, including events hosted by an AI-powered avatar and interactive competitions, the company said.

MSC World Asia is scheduled to debut in December 2026, sailing seven-night Mediterranean itineraries with stops in destinations such as Barcelona, Naples and Rome, according to the cruise line.

Some cruise travelers, however, remain divided on how newer ships balance value with experience.

In online forums, some passengers say MSC offers strong pricing and comparable onboard options, while others argue competitors still edge ahead in areas like food and family programming.

As ships increasingly add amusement-style attractions over the years, from zip lines to surf simulators, the scale of the open-air theme park suggests the industry is continuing to cruise heavily into onboard experiences.