The Greenline 42 is a new 13.66-metre motor yacht from Greenline Yachts, the Slovenian yard known for its hybrid boats. She was revealed as a project at the Cannes Yachting Festival and made her world debut at boot Düsseldorf. The yard says the project began as a successor to the Greenline 40, of which hundreds have been sold, but grew into something more than a model replacement.
According to the yard, the starting point was owner feedback: more cockpit space, higher speeds under power and a more modern design language. Exterior and interior design are by Marco Casali, founder of Too-Design, while the hull was drawn by the naval architects at Micad. The yard notes that more than a thousand yachts designed by Casali's studio are afloat today.
Exterior and hull
With an S-shaped sheerline, 360-degree glazing and a streamlined roof, she keeps the familiar Greenline profile. Casali says the aim was to rework the Greenline 40 without giving the sense that everything was new. Inside, curved cabinetry gives way to straight edges, echoing the strong lines of the cut-away bulwarks and the coachroof.
The hull continues Greenline's “superdisplacement” approach. The yard says the new shape is 3 knots faster than the Greenline 40 on the same 250 hp engines, reaching 25 knots, and is more stable as well. The sandwich core is foam made from recycled PET, laid up by vacuum infusion using vinyl-ester resin only, and the yard offers a five-year warranty against osmosis.
Cockpit, saloon and galley
There are two cockpit layouts. The first has a four-person table on the centreline with sofa seating either side. The second adds a drop-down transom and an open sunbathing area, with removable furniture. A separate lounge sits on the foredeck.
Lower the windows either side of the galley and open the aft doors fully, and the saloon and cockpit become a single space, so whoever is in the galley is not cut off from those outside. Equipment includes an electric oven and a two-zone induction hob, and an extra fridge or freezer can be added. Storage comprises lockers above the worktop, a run of cupboards along the starboard side and further stowage beneath the sole.

Cabins and interior style
The Greenline 42 is a two-cabin boat, with a spacious master cabin forward and a guest cabin to port that can be set up as a double or a twin. The yard says she has a little more volume than the Greenline 40. Three lower-deck layouts are offered: with a vanity table, with a second heads or with a walk-in wardrobe. The second heads gives the master cabin more privacy. She sleeps 4 + 2.
Casali concentrated on form and living space rather than costly, exotic materials. There are two wood finishes, Honey Teak and Modern Oak. The cabins enjoy plenty of natural light, and the heads are fitted with designer basin and shower fittings.

Solar power and hybrid drive
Ten solar panels set flush into the coachroof deliver up to 4.5 kW in the heat of the day. The surplus goes to a 22 kWh house battery bank, which can be upgraded to 66 kWh. The yard says this allows 48 hours or more of quiet living on board without running a generator, even with the air conditioning on full.
Standard power is a pair of 250 hp Yanmar 4LV250 diesels, giving a top speed of 25 knots. The optional H-Drive 6G hybrid places a 23 kW electric motor between each diesel engine and its propeller. On electric power she manoeuvres silently and reaches up to 6.5 knots; the model page quotes an electric range of up to 20 nautical miles at 5 knots. Under diesel, the same motors recover energy that would otherwise be wasted and recharge the batteries, so she reaches the anchorage with them full. Power, tanks, solar yield and position can be monitored through the Greenline app.
Specifications
| Specification | Detail |
|---|---|
| Length overall | 13.66 m (44 ft 10 in), model page; 13.50 m, press release |
| Beam | 4.30 m (14 ft 1 in) |
| Draught | 0.80 m (2 ft 7 in), model page; 0.64 m light, press release |
| Displacement | 10,500 kg, model page; 9,354 kg light, press release |
| Engines | 2 × Yanmar 4LV250 (250 hp); optional H-Drive 6G hybrid with 2 × 23 kW electric motors |
| Maximum speed | 25 knots (diesel); 6.5 knots (electric) |
| Electric range | Up to 20 nm at 5 knots |
| Solar | 10 panels, 4.5 kW |
| House batteries | 22 kWh; up to 66 kWh (6 × 11 kWh lithium) |
| Cabins | 2 (master forward); sleeps 4 + 2 |
| Heads | 1 or 2 |
| Fuel | 700 litres |
| Water | 390 litres, model page; 400 litres, press release |
| Black water | 100 litres |
| CE category | B |
| Design | Exterior and interior: Marco Casali, Too-Design · Naval architecture: Micad |
The yard's model page and press release give different figures for length, draught, displacement and water capacity; both are shown above.
Who is she for?
The Greenline 42 suits owners who will skipper the boat themselves and spend long hours at anchor. The solar array and battery bank let you run the air conditioning and galley in a quiet bay without starting a generator, which matters to anyone who values silence and independence from the marina. A top speed 3 knots higher than the Greenline 40's shortens passages, and a draught of 0.80 metres makes shallow anchorages easier to reach. The two-cabin layout is designed for a couple or a small family; owners who regularly entertain larger groups may find the cabin count limiting. The choice between diesel and hybrid depends on how she will be used, and we suggest talking it through with our broker in light of how you plan to cruise.
In brief
- Greenline's new 13.66-metre model was revealed as a project at Cannes and made her world debut at boot Düsseldorf.
- With the galley windows and aft doors open, the saloon and cockpit become one space; there are two cockpit layouts.
- Two cabins, three lower-deck layouts and an optional second heads.
- 25 knots on diesel, 6.5 knots on electric power with the H-Drive 6G hybrid, and 4.5 kW from ten solar panels.



