Sirena pairs two motor yachts at Istanbul waterfront show
Turkish builder Sirena Yachts placed the Sirena 78, identified in the company's show announcement as the Sirena 78 Hybrid, beside the Sirena 60 for the Bosphorus Boat Show at Istanbul's Ataköy Marina. The event was scheduled for 18–26 October 2026, with the builder identifying LOCA stands C-206, C-207 and C-208 as its display location. The pairing brought together two distinct sizes of luxury motor yacht for prospective owners visiting the local waterfront exhibition.
This article examines what Sirena actually announced and what its published model specifications show about the larger yacht. The event listing confirms the intended display, but it does not establish attendance figures, sales contracts or an order book as a consequence of the show. Those outcomes cannot responsibly be assumed. What can be assessed is the builder's choice to demonstrate long-range cruising design and onboard living space in a market with a strong maritime identity.
Understanding the Sirena 78's dimensions
Sirena's technical material distinguishes a length of 23.80 metres including the swim platform but excluding the anchor roller from a 25.02-metre figure that includes both elements. That distinction matters because quoted overall lengths can vary with measurement convention, influencing marina enquiries and comparisons between competing yachts. The manufacturer's hull-length figure is 22.11 metres, while its maximum beam is 6.52 metres, giving owners another useful indicator of onboard volume.
Full-load displacement is listed as 87 tonnes, and maximum draft at that condition as 1.68 metres. These numbers should be read as published technical specifications rather than measurements of a particular vessel at the Istanbul show. Individual loading and equipment decisions can change operating characteristics, while berth suitability also depends on access routes and local facilities. Owners should share the precise delivered boat's particulars with a marina before treating a quoted figure as operational clearance.
Four cabins and a defined crew zone
Sirena's published accommodation arrangement provides four guest cabins, eight guest berths and a separate crew cabin with two crew berths. The count makes the yacht relevant to owners who want to travel with extended family or host several couples without sacrificing an obvious area for professional support. The hull's breadth helps provide the physical platform for this accommodation, although exact cabins and furnishing details must be verified against a specific yacht's arrangement.
Sleeping capacity is only one part of liveability. On a longer journey, privacy, sound separation, access to bathrooms, galley circulation and storage can be more important than the nominal berth count. Sirena's model literature presents the 78 as a substantial cruising yacht rather than simply a fast short-hop platform. The Bosphorus display gave interested visitors a context in which those everyday questions could be raised directly with the brand's representatives.
Flybridge options make a difference
The Sirena 78 design is offered with open, semi-enclosed and fully enclosed flybridge arrangements, according to the builder's model page. This choice affects the yacht's character more than a superficial styling change would suggest. An open upper deck encourages direct exposure to sun and breeze, while an enclosure can extend comfort in wind, spray or cooler conditions; a semi-enclosed approach attempts to balance the two experiences.
Sirena highlights large windows and views as features of the protected arrangements, with the design intended to keep social connection to the surrounding sea. Buyers should evaluate how glazing opens, how much shade remains when the sun changes position and whether access between interior and exterior spaces suits their habits. A highly appealing upper deck in summer might work differently on a winter delivery passage. Practical testing is therefore as important as viewing a staged interior.
Range and speed in separate operating modes
The manufacturer's standard published propulsion specification lists twin MAN V12 engines rated at 1,400 horsepower each, with a 1,550-horsepower option. Sirena quotes a cruising speed of 16 knots and an economical cruising speed of 10 knots, while its model page gives an approximate range of 1,550 nautical miles at 10 knots. This is a manufacturer estimate under stated assumptions, not a guarantee of distance in every weather and loading condition.
Sirena also lists maximum speeds of 25.5 knots with the 1,400-horsepower package and 27 knots with the 1,550-horsepower alternative. The separation between economical and higher-speed running is fundamental to planning a trip. Even an appealing long-range figure needs to be paired with a realistic fuel reserve, expected sea conditions and the requirements of the skipper. Buyers should ask the builder for the performance curve relevant to their engine installation.
Fuel, water and service planning
A 9,000-litre fuel capacity supports the range proposition stated by Sirena, but it does not eliminate the need to plan fuel stops or contingencies. The company also publishes 1,800 litres of freshwater storage, together with 800-litre black-water and 800-litre grey-water capacities. These service figures matter for owners intending extended time away from shore, particularly when guest numbers, shower usage and domestic equipment vary from one cruise to another.
The relationship between technical capacity and comfortable autonomy is not straightforward. A crew running air-conditioning, generators, stabilisation and extensive hospitality services will have a different operational profile from a lightly loaded yacht on a carefully paced passage. The right question is not merely how much liquid each tank holds, but how the onboard systems behave over the route and season the owner actually expects. The manufacturer's quoted figures provide the starting point for that calculation.
What the word Hybrid does and does not confirm
Sirena's official Bosphorus event page calls its show yacht the Sirena 78 Hybrid. The published Sirena 78 technical page, however, describes a GRP hull and a hybrid carbon-fibre deck and superstructure, while listing conventional MAN V12 diesel engines. It does not document a separate electric-drive system for the show vessel. Consequently, the event's use of the word Hybrid should not be converted into an unsupported claim of electric propulsion, battery-only cruising or reduced emissions.
Owners interested in alternative propulsion should ask for a complete machinery diagram and confirmed specification for the exact boat, including any batteries, generators and electric motors where relevant. Construction-material terminology and propulsion-system terminology are different, even when the same adjective appears in marketing. Making that distinction explicit protects the integrity of a report and helps prospective buyers avoid misunderstandings that could affect cost, operation and expectations of range.
Design pedigree in the 78
Sirena credits exterior design to Frers Naval Architecture and Engineering and interior design to Cor D. Rover Design Studio, a partnership of naval expertise and accommodation design visible across the company's official material. The semi-displacement hull concept is meant to serve cruising use rather than one narrow operating speed. Sirena publishes a CE Category A certification for the model, another specific technical statement that can be checked against the relevant vessel documentation.
Inside, the builder describes different colour and material moods under its Serenity, Inspiration and Elegance presentations. These are expressions of a broader customisation philosophy, not proof that every exhibited yacht carries all three schemes. An owner comparing interior choices should consider durability, maintenance, natural light and how the finish appears at sea rather than merely selecting the most photogenic arrangement. Boat-show visits can help bridge the gap between brochure images and genuine space.
Why the Sirena 60 was part of the story
The Sirena 60 appeared with the 78 in the official 2026 Bosphorus show listing, giving visitors a chance to consider whether the additional volume of the larger vessel matched their intended use. The 60's presence is independently established by the event notice, though the release does not detail a specific equipment list for the display yacht. That means any claim of a particular engine, option or handover schedule would need an additional confirmed source.
Showing two sizes together encourages decisions about berthing, crew, maintenance and the level of privacy required for family cruising. A buyer might value the easier handling and likely different operational demands of a smaller yacht, while another prioritises more cabin volume and longer social gatherings. These are potential buyer considerations, not assertions about the show's actual conversion rate. The useful news is the paired fleet presentation and the design choices it put before the market.
What follows the Bosphorus presentation
For buyers who encountered the brand in Istanbul, the next sensible step is a yacht-specific technical discussion followed by a viewing and sea trial where available. Published catalogue values should be reconciled with the actual engine package, flybridge configuration, stabilisers and other equipment ordered. A boat's intended cruising grounds, flag and berth arrangements deserve the same attention as the appearance of the saloon or the stated maximum speed.
Sirena's event announcement establishes the Bosphorus dates, marina and Sirena 78 Hybrid–Sirena 60 pairing; its official model page provides the numerical specifications discussed here. No post-show delivery or sales results have been asserted without evidence. The enduring editorial point is the manufacturer's effort to present a long-range, four-cabin motor yacht in direct conversation with a smaller fleet partner, inviting owners to examine the practical meaning of space and cruising capability.
Source: Sirena Yachts, Bosphorus Boat Show 2026 event announcement.
