Still shrouded within Lürssen’s facility, Deep Blue now stands in full form - her sculpted, muscular silhouette emerging as the final outfitting phase reaches its conclusion.
Construction of Deep Blue began in 2021, with details kept tightly under wraps. In July 2023, her hull was floated and partially assembled outside on a dock before the bow was joined to complete the structure. Now, as she nears completion, her distinctive lines and striking form are visible inside the open shed - hinting at a dramatic unveiling to come.
Built with a steel hull and aluminium superstructure, Deep Blue continues Lürssen’s approach of combining full custom builds with proven technical platforms. While Deep Blue is a one-off, she shares core engineering roots with past projects like the 138.8-metre Luminance, a hallmark of Lürssen’s strategy for handling large-scale yachts efficiently without compromising customisation.
The yacht spans five decks and boasts an estimated gross tonnage of 9,000GT. Its exterior design is distinguished by bold, tiered aft decks, generous overhangs, and sweeping full-height glazing. Naval architecture is by Lürssen Yachts. While the design team has yet to be officially announced, industry speculation strongly suggests either Espen Øino or Nuvolari Lenard - two of the most prolific studios behind the world’s largest yachts and long-time collaborators with Lürssen.
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Measuring 134.2 metres in overall length, Deep Blue spans 122.9 metres between perpendiculars and boasts a moulded breadth of 19.8 metres, a moulded depth of 9.1 metres, and a maximum draught of 5 metres. With an estimated gross tonnage of 9,000GT, she ranks as the 15th largest yacht by volume ever constructed by Lürssen.
For propulsion, Deep Blue is powered by eight MTU generators that supply energy to four electric motors, which in turn drive azimuth thrusters - a setup that provides enhanced manoeuvrability, reduced vibration, and optimal efficiency for long-range cruising. This modern diesel-electric configuration reflects a growing trend in large yacht engineering, focusing on performance, redundancy, and comfort.
Upon delivery in 2025, Deep Blue will enter the Top100 ranking as the 24th longest yacht in the world by length overall (LOA). More significantly, she is poised to enter the YachtBuyer100 (YB100) - the definitive league table of yachts ranked by gross tonnage - as one of the Top 20 largest yachts in the world by volume.
She will also be the largest yacht by gross tonnage to be delivered in 2025, and at 134.2 metres, the longest confirmed delivery of the year. That places her ahead of other Lürssen builds currently in the pipeline, including Lurssen 13797 (116m) and Project Cosmos (114m) - now expected to be the second- and third-longest deliveries of 2025. Meanwhile, Project Tanzanite, Amels’ 120-metre flagship (6,080GT), is now unlikely to be delivered this year due to ongoing political and logistical uncertainties.
According to YachtBuyer MarketWatch Intelligence, Deep Blue is one of 12 superyachts currently under construction at Lürssen, which continues to lead the industry in the construction of bespoke megayachts. Unlike semi-custom builders such as Amels or Heesen, Lürssen’s approach is fully custom, though many projects benefit from shared engineering platforms to streamline delivery and ensure technical excellence.
Interested in owning a Lurssen yacht? View all Lurssen yachts for sale globally, tracked through YachtBuyer MarketWatch, with only real listings - no fake options to waste your time. Alternatively, view all superyachts for sale.
Photos: Marcus Meyer and others.
