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Mylius 47P Video Review: Four Mercury 500Rs and Two Separate Cabins

By the YachtWay editorial deskUpdated October 2026Video walkthrough6 min read

The Mylius 47P is a powerboat from Mylius, a shipyard known for performance sailing yachts. We walked her at a boat show in Europe. Four Mercury 500R outboards hang off the stern, carbon fibre shows up in the table, the footrest and the headboard, and two cabins each have their own entrance from the deck. The owner's cabin is full beam, and the guest cabin has its own wet head.

A sailing yacht builder goes outboard

We are seeing more and more outboard boats in Europe, and this one carries four Mercury 500R racing engines. The aft deck is a large sunbed with storage for water toys underneath, in front of a carbon dining table. The unusual part is the layout below: two cabins with separate entrances, so the owner and guests each have their own space.

The vibeBlack, sporty and full of carbon
The power4x Mercury 500R outboards, 2,000 hp
Best forFast day trips, a couple plus guests

What stood out on board

  • Two separate cabin entrances
    One door leads to the owner's cabin, another to the guest cabin, with open deck between them.
  • Four Mercury 500Rs
    2,000 hp of racing outboards on a boat from a sailing yacht builder.
  • Carbon everywhere
    The dining table, footrest, handholds, sinks and headboard are carbon fibre.
  • A summer kitchen under panels
    A sink, a cooktop, a stainless fridge and an ice maker hide under lids.
  • A full-beam owner's cabin
    A king-size bed, a wine cooler and a head with a carbon sink.
  • Very tall backrests
    The dining backrest comes up to the shoulders.
The aft sunbed, with storage underneath. 01:40
The carbon dining table, with very tall backrests. 02:25
The helm seats, which adjust every way. 04:40
The guest cabin, with its own entrance. 11:40
The wine cooler in the owner's cabin. 07:40

Spec sheet at a glance

FeatureWhat you getThe benefit
Length overall51 ft 10 in (15.8 m)Sold as a 47
Beam13 ft 9 in (4.2 m)Room for a full-beam owner's cabin
Draft2 ft 6 in (0.75 m)Shallow water friendly
Dry weight9 t (19,842 lb)Light for four outboards
Tanks534 gal fuel, 119 gal water (2,020 L, 450 L)Range for long runs
Power4x Mercury 500R outboards, 2,000 hpRacing outboards, easy to service
Top speed (builder)Up to 56 kn (builder figures)We did not sea trial this boat
LayoutOwner's cabin, guest cabin, two headsSeparate entrances for privacy
HelmThree helm seats, Garmin screens, joystickConfigurable sporty seats
OptionsFold-down side terraces, grill, any paint colourBuild it your way
ConnectivityStarlinkOnline at anchor

Step inside: interactive 3D virtual walkthrough

Drag to look around. Tap the hotspots to move through the boat.

Open full screen

Aft deck

The aft deck, with grab rails all round. 01:10

The aft deck is a large sunbed with an easy walk around it. The backrests fold flat for an even bigger sunbed or act as pillows.

  • Storage.
    A large locker under the sunbed for water toys.
  • Cleats.
    Sized for a boat over 70 ft.
  • Systems.
    Two hatches into the systems room.
  • Fenders.
    Pin holes from bow to stern to clip them on.
  • Terraces.
    Fold-down side terraces are an option.

Summer kitchen and cabin doors

The summer kitchen, between the two cabin doors. 03:25

The summer kitchen sits between the two cabin entrances, under a suede-feel ceiling with LED strips.

  • Sink and cooktop.
    Under lids, with a grill as an option.
  • Fridge.
    Stainless inside and properly sized.
  • Ice maker.
    Or a second fridge if you prefer.
  • Doors.
    One to the owner's cabin, one to the guest cabin.

Helm

The helm, with Garmin screens and a joystick. 05:00

There are three helm seats, one to port and two to starboard. They slide, rise and lower, and the cushion lifts so you can lean.

  • Footrest.
    Carbon fibre, folds down.
  • Wheel.
    Adjustable.
  • Controls.
    Throttles, joystick and Garmin screens.
  • Handholds.
    Carbon handholds for guests by the helm.

Bow

The bow, a place for cushions at anchor. 06:00

Carbon handholds help you climb up to the bow. It is a place for loose cushions at anchor, with carbon poles for shade.

  • Anchor.
    A neat locker with the winch inside.
  • Storage.
    A big locker with breakers and the bow thruster unit.
  • Fuel.
    Intakes and caps on both sides.
  • Audio.
    Speakers along the deck.

Owner's cabin

The full-beam owner's cabin. 09:00

A smooth sliding door with glass lets light down the carbon stair. The bed spans the full beam, close to king size, with a thick mattress.

  • Wine cooler.
    At the foot of the stairs.
  • Storage.
    Drawers, a hanging closet and the breaker panel.
  • Details.
    LED strips, AC control and USB-C reading lights.
  • Head.
    A shower and a carbon sink with a hidden knob.

Guest cabin and systems room

The guest cabin, with two full-size beds. 12:00

The guest cabin has its own hatch from the deck. A 6 ft 1 in adult can stand inside, and the beds can join into one with a filler cushion.

  • Head.
    A wet head with a carbon sink.
  • Storage.
    Deep lockers for the guests.
  • Systems room.
    Generator, batteries, chargers and hydraulics.
  • Access.
    A deck hatch opens with a tool.
The verdict

The 47P brings a sailing yacht builder's care for detail to a fast outboard boat. Carbon shows up wherever you touch, the cleats are sized for a much bigger boat and four Mercury 500Rs give her serious power. The two separate cabin entrances are rare and give the owner and guests real privacy. We did not run her, but the builder quotes up to 56 knots.

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In this video

  1. 00:00 Introduction
  2. 00:34 Exterior features
  3. 02:40 Galley and cabin access
  4. 04:14 Helm station
  5. 05:31 Bow and storage
  6. 07:02 Owner's cabin
  7. 10:39 Guest cabin
  8. 12:34 Engine room and conclusion
Presented by
Heigo Paartalu
YachtWay Spotlight host
Filmed by
YachtWay Studios