Top 3 Largest Yachts in the World (by Length)

1. Azzam Yacht – 180.65 metres

Builder: Lürssen (Germany) Year launched: 2013 Flag: Cayman Islands

At 180.65 metres, Azzam remains the longest private yacht in the world when measured by length overall. Designed by Nauta Yacht Design and built by German yard Lürssen, Azzam is notable for combining a relatively slender hull form with an advanced propulsion system, enabling very high cruising speeds that are widely reported above 30 knots.

Unlike many ultra-large yachts that prioritise enclosed volume, Azzam balances long, aerodynamic lines with performance-oriented naval architecture. It set a benchmark for later mega-projects, particularly in how length, speed, and structural planning can coexist.

For complete length rankings across the global motor yacht fleet, see Wikipedia’s list of motor yachts by length.

2. Fulk Al Salamah Yacht – 164 metres

Builder: Mariotti Yachts (Italy) Year launched: 2016 Flag: Oman

The second longest yacht in the world, Fulk Al Salamah measures 164.0 metres and was delivered in 2016 by Italian builder Mariotti Yachts. Unlike Azzam’s performance emphasis, this yacht is widely understood to have a mission-oriented character, serving state and ceremonial functions within the Omani royal fleet.

Interior space is optimised for hospitality, staff operations, official duties, and long-range autonomy rather than headline-driven lifestyle features. The result is a vessel that reads more like a sovereign platform than a charter-focused superyacht.

Technical summary and builder information for Fulk Al Salamah can be found at SuperYacht Times.

Purpose-Driven Design

Often described as a support and ceremonial yacht, Fulk Al Salamah was commissioned for state-level use rather than private charter or entertainment. Its internal layout prioritises logistics, transport capability, and operational autonomy, which becomes increasingly important at this scale.

3. Eclipse Yacht – 162.5 metres

Builder: Blohm+Voss (Germany) Year launched: 2010 Flag: Bermuda

At 162.5 metres, Eclipse is the third longest yacht afloat. It was the world’s longest private yacht until Azzam’s delivery in 2013. Built by Blohm+Voss, Eclipse is known not only for size but also for technical complexity, layered deck planning, and sophisticated privacy and security systems that influenced later design trends.

See Eclipse technical stats on its dedicated Wikipedia page: Eclipse yacht – Wikipedia.

Scale Meets Systems

Eclipse was notable at launch for combining extreme length with near-commercial planning discipline. Multiple helicopter pads, advanced security infrastructure, and a layered deck plan helped separate private, guest, and operational areas with exceptional precision.

Lasting Influence

Eclipse played a visible role in accelerating ultra-large yacht construction in Northern Europe. Its build helped cement Blohm+Voss as a yard capable of managing projects at the intersection of private luxury and industrial shipbuilding.

Length vs. Volume: Why Rankings Matter

Length rankings do not always correlate with interior volume (gross tonnage). Some yachts shorter than Eclipse or Fulk Al Salamah exceed them in gross tonnage due to wider beams and deeper hull forms. However, when the metric is pure length overall, the ranking above remains consistent across major maritime databases.

This distinction is often highlighted in technical reviews from classification bodies and registries, because visual scale and internal capacity can tell different engineering stories.

What These Yachts Represent Today

Together, Azzam, Fulk Al Salamah, and Eclipse represent three different approaches to extreme yacht construction.

• Azzam: speed-driven engineering at unprecedented length
• Fulk Al Salamah: function-first design with sovereign use in mind
• Eclipse: layered privacy and high-complexity onboard systems

Each has influenced later yachts, from propulsion choices to structural planning. Projects above 150 metres remain rare because they demand shipyard-level capability, long-term maintenance strategy, and operational discipline that goes beyond typical private ownership.

Top 5 Frequently Asked Questions About Superyachts

Below are five practical questions readers often ask when comparing the superyacht world, especially when “largest” becomes part of the discussion.

1. What qualifies a yacht as a mega yacht?

A superyacht is commonly defined as a privately owned yacht measuring 24 metres (79 feet) or longer. In practice, classification goes beyond length alone. Superyachts are distinguished by professional crew requirements, commercial-grade systems, and compliance with international maritime standards. As size increases beyond 60–70 metres, yachts often enter megayacht territory, where engineering complexity and operational logistics begin to resemble those of small ships.

2. Who owns the largest superyachts in the world?

The world’s largest yachts are typically linked to ultra-high-net-worth individuals, royal families, or sovereign entities. Ownership structures are often layered through holding companies and offshore registries, so the legal owner may differ from the beneficial owner. Some of the largest vessels also serve state or diplomatic functions, which explains limited public visibility.

3. How much does it cost to build and maintain a mega yacht?

Construction costs vary by size, shipyard, and specification. As a broad benchmark:

• 40–60 m yachts: €25–50 million
• 60–100 m yachts: €60–150+ million
• 100 m+ yachts: often exceed €250 million

Annual operating costs typically range between 8–12% of build value, covering crew salaries, maintenance, insurance, fuel, refits, and compliance. For the largest yachts, annual budgets can exceed €20–30 million depending on usage and programme intensity.

4. Can the largest superyachts be chartered?

Not all large yachts are available for charter. While many yachts between 30 and 80 metres operate successfully in the charter market, vessels exceeding 100 metres are more often privately reserved or used for limited, invitation-only programmes. Charter eligibility depends on flag regulations, safety certification, and the owner’s operational preferences.

For charter clients, experience quality is usually driven more by crew professionalism and itinerary design than absolute length.

5. Where do luxurious yachts usually operate around the world?

Superyachts follow seasonal migration patterns based on climate, events, and cruising conditions. Common regions include:

• Mediterranean (summer): French Riviera, Italy, Greece, Croatia, Turkey
• Caribbean & Bahamas (winter): St. Barts, Antigua, Exumas
• Indian Ocean & Middle East: Maldives, Seychelles, Red Sea
• Pacific & remote cruising: South Pacific, Alaska, Northern Europe (limited season)

Draft, range, and marina infrastructure strongly influence where the largest yachts can safely cruise and berth.

A Measured Perspective for Yacht Clients

While yachts exceeding 150 metres dominate headlines, many experienced clients recognise that comfort is defined by balance rather than scale alone. Route flexibility, crew quality, and operational efficiency often matter more than headline dimensions.

At Mirya Yachting, we translate the lessons of large-yacht planning into refined charter experiences where proportion, service quality, and realistic routing take priority. If you are exploring options in the Mediterranean, you can review our regional guides for Turkey, Greece, and Croatia.