The 186 Superyacht Series is the largest project Hargrave has delivered, and it arrives with a distinction the yard is keen to make: one hull is already built and in the water, so a buyer walks a finished vessel rather than a drawing. At 186 feet with a steel hull and aluminium superstructure, she sits firmly in full displacement territory, carrying roughly 880 gross tons of volume across her decks.
Accommodation runs to twelve guests with a crew of ten, a ratio that signals the level of service this yacht is designed to sustain on long passages. Twin Caterpillar 3512 engines give a top speed of 17 knots and a relaxed 12-knot cruise, and the range of 3,700 nautical miles opens up ocean crossings and extended seasons far from a home port.
What the 186 represents for the Hargrave line is a step up in scale without a change in philosophy. The layout, the finish and the deck arrangement remain open to the owner, so the series reads as a platform for a genuine custom commission rather than a fixed production model. For a buyer who wants the reassurance of a proven, delivered hull alongside the freedom to shape the interior, she offers a rare combination at this size. Built in Florida, she carries nearly seventy years of Hargrave engineering beneath a thoroughly modern profile.
Length
56.69M
Beam
10.06M
Draft
2.44M
Day Guests
12
Sleeping
12
Cabin
Crew
10
Cruise Speed
12KT
Max Speed
17KT
Fuel
Range
3700NM
Engine
2 x Caterpillar 3512 (2,375 bhp)
Naval
Hargrave Custom Yachts (Design HSY 1861-56M)
New Starting From
€50,000,000
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Twin Caterpillar 3512 engines, each rated at 2,375 brake horsepower, drive the 186 to a top speed of 17 knots. The more meaningful number is the cruise: at 12 knots she returns a range of 3,700 nautical miles, enough to cross oceans and link cruising grounds across a full season. This is displacement performance, chosen deliberately. A steel hull of 680 tonnes at full load is built for sea-keeping and endurance rather than sprint speed, and the payoff is a quiet, stable platform that holds its line in a seaway. Fuel burn at cruise stays modest for a yacht of this volume, which matters as much to running costs as it does to range. For owners who measure a yacht by where it can take them, the 186 is engineered around the passage, not the marina.
The profile is contemporary without chasing fashion, a long sheer line broken by generous glazing and a balanced three-deck arrangement. Hargrave has kept the volume honest, so the 880 gross tons translate into usable deck space rather than styling for its own sake. The foredeck carries ground tackle and a seating area, the side decks are wide enough for safe movement under way, and the aft decks step down toward the water for easy access to tenders and toys. A steel hull paired with an aluminium superstructure keeps weight sensible high up while preserving strength at the waterline. The result is a yacht that looks purposeful from any angle, with the proportions of a serious ocean vessel rather than a scaled-up motor yacht.
Twelve guests are accommodated in a layout that the owner helps define, which is the central promise of a Hargrave build at this size. At 186 feet the yard has the beam and the depth to offer a full-beam master, a main-deck owner option and a flexible mix of doubles and twins below. Ceiling heights and natural light benefit from the sheer scale of the hull, and the volume allows for the kind of private owner territory that smaller yachts cannot carry. Materials and mood are specified to brief rather than drawn from a catalogue, so two 186s need not share an interior. For a buyer who treats the interior as the heart of the purchase, the series offers a blank canvas backed by a delivered, proven structure.
Entertaining is where the 186 earns its size. The main saloon and dining space flow across a full beam, and the sky lounge above opens the upper deck to panoramic views and informal gatherings. The aft decks are arranged for alfresco dining and shaded lounging, with the lower platform working as a beach club and launch point for watersports. A crew of ten keeps all of it running without intruding on guest areas, a separation the layout is designed to protect. Movement between zones, from the foredeck to the bridge deck to the swim platform, has been planned so that guests and crew rarely cross. The effect is a yacht that can host a large group in comfort yet still feel private when the owner wants it quiet.
The 186 is built in Fort Lauderdale to Hargrave standards, with the steel-and-aluminium construction and systems redundancy expected of a yacht intended for ocean work. Twin Caterpillar main engines, commercial-grade generators and stabilisation suited to long passages underpin the specification, and the delivered hull means the engineering is tested rather than theoretical. Classification and survey history give a buyer a documented starting point, a real advantage over a pure concept. As the flagship of the Hargrave range, she positions the yard alongside established European builders while keeping the direct, owner-led process that has defined it since 1957. For a buyer who wants genuine superyacht scale with American build support and a proven platform, the 186 Superyacht Series makes a strong and unusually tangible case.
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