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NEPTUNUS - 56 EXPRESS - For Sale

The 56 EXPRESSbyNEPTUNUSis a versatilemotor yachtdesigned as an agileexpress cruiserwith a durablefiberglass constructionhull and a fiberglass deck. Presented by Shestakov Yacht Sales, with broker Andrey Shestakov ready to guide you through specifications, availability, and purchase.

Selecting a 56 EXPRESS

If you are seeking a performance-focused motor yachtthat delivers confident handling and comfortable weekending, the56 EXPRESSstands out. With a 56 ft (17.07 m) LOA and a 16 ft (4.93 m) beam, it balances cockpit space and interior comfort, while the twin Caterpillar inboard diesel setup supports a 22-knot cruising pace and up to 30 knots at the top end.

As an express-style cruiserbuilt on afiberglass constructionplatform, it offers straightforward operation, efficient performance, and the durability owners expect from a premium build byNEPTUNUS.

Features of the Model

Performance: Cruise at 22 kn (25.32 mph) with a 30 kn (34.52 mph) maximum for quick passages.

Propulsion: Two Caterpillar inboard diesel engines for dependable, efficient thrust.

Dimensions: 56 ft LOA, 16 ft beam, and a 15.857 ft maximum draft for stable tracking.

Capacities: 680 gal fuel and 180 gal fresh water support extended time aboard.

Accommodations: Sleeps 2 with 2 heads for practical, comfortable cruising.

Construction: fiberglass constructionhull paired with a fiberglass deck for strength and low maintenance.

Technical Specifications

Builder: NEPTUNUS

Model: 56 EXPRESS

Type: motor yacht/cruiser

Hull: fiberglass construction; Deck: Fiberglass

LOA: 56 ft (17.07 m)

Beam: 16 ft (4.93 m)

Draft (max): 15.857 ft (4.8333 m)

Engines: 2 x Caterpillar, Inboard, Diesel

Speed (cruise/max): 22 kn (25.32 mph) / 30 kn (34.52 mph)

Sleeps: 2

Heads: 2

Fuel capacity: 680 gal

Water capacity: 180 gal

Pricing and Ordering

For current pricing, availability, and to configure your 56 EXPRESSbyNEPTUNUS, contact Shestakov Yacht Sales. Broker Andrey Shestakov will provide tailored guidance, detailed specifications, and support through survey, sea trial, and closing for thismotor yachtin thecruiserclass with afiberglass constructionhull.

Questions and Answers

What type of yacht is the 56 EXPRESS?

It is a motor yachtdesigned as anexpress cruiserwith afiberglass hulland a fiberglass deck.

What are the performance numbers?

Cruise speedis 22 kn (25.32 mph) andmax speedis 30 kn (34.52 mph), powered bytwo Caterpillarinboard dieselengines.

What are the key dimensions?

LOA56 ft (17.07 m),Beam16 ft (4.93 m),Draft15.857 ft (4.8333 m).

How many can it accommodate and what about onboard facilities?

Sleeps2 with2 heads, ideal for a couple or short-stay guests.

How do I purchase through Shestakov Yacht Sales?

Contactbroker Andrey Shestakov at Shestakov Yacht Sales to discussavailability, pricing, and ordering of the56 EXPRESSbyNEPTUNUS.

Owner Experience Review

Across owner threads and listings, the 56 EXPRESSbyNEPTUNUSis framed as a practical owner-operated cruiser for families and weekend leisure. The three-stateroom layout and a broad 16' beam translate to a genuinely roomy salon and a master that feels properly commodious, while the cockpit and aft-deck seating make it easy to host guests. Not everyone loves the interior: several owners note the galley sprawls a bit, leaving the dinette on the small side, and a few describe the styling as more “90s” than contemporary.

On the water, the deep‑V hull is credited with stable, well‑balanced manners, helped by power‑assisted hydraulic steering and a bow thruster for tight marinas. Typical reports point to a 25–26‑knot cruise, with published top numbers around 30–31 knots, though some owners see lower top rpm and speed—often tied to proping or bottom condition—so sea‑trial data matters more than brochure figures.

Day‑to‑day ownership is workable: engine‑room access via a lazarette or cockpit hatch is described as serviceable, and several owner‑operators document upgrades like modern batteries and inverter systems. The caution flag is with Cat 3406E installations, where intercooler leaks have been reported, sometimes preceded by heavy black smoke and followed by head/valve damage if ignored; there are also cases of post‑overhaul engines not reaching rated max rpm, underscoring the need for proper commissioning and verification. As always, details vary by year and setup, so individual inspection is key.

Pros and Cons

Spacious three-stateroom layout and 16' beam deliver a comfortable salon and a commodious master for family cruising.

Deep‑V hull with stable, well‑balanced handling; power‑assisted steering and a bow thruster make docking straightforward.

Cockpit and aft‑deck seating with good deck flow support easy entertaining under way or at anchor.

Known Cat 3406E intercooler leak risk has been reported, with symptoms including heavy black smoke and potential head/valve damage if ignored.

Some boats have struggled to reach rated max RPM and top speed—often tied to proping, fouling, or post‑overhaul commissioning—so sea‑trial verification is important.

The galley can feel sprawling, leaving the dinette small, and some owners view the interior styling as dated.

Comparison with Other Models

Model	LOA	Beam	Draft	Speed (Cruising/Max)	Gross Tonnage
PRINCE	56' 0" (17.07 m)	15' 0" (4.70 m)	16' 2" (4.92 m)	23 kn / 28 kn	28
Flybridge with Euro Transom	62' 0" (18.90 m)	16' 0" (5.08 m)	17' 3" (5.25 m) – 18' 4" (5.58 m)	22 kn / 27 kn	-
Enclosed Bridge	75' 0" (23.01 m)	18' 0" (5.77 m)	17' 3" (5.25 m) – 17' 9" (5.42 m)	26 kn / 32 kn	-
56 EXPRESS	56' 0" (17.07 m)	16' 0" (4.93 m)	15' 10" (4.83 m)	22 kn / 30 kn	-
56 Flybridge	56' 0" (17.07 m)	16' 0" (4.93 m)	16' 11" (5.17 m)	-	-
55 Cabrio	56' 0" (17.20 m)	15' 0" (4.75 m)	16' 2" (4.92 m)	-	-
62 Flybridge	62' 0" (18.90 m)	16' 0" (5.06 m)	16' 11" (5.17 m)	-	-
Enclosed Skylounge	66' 0" (20.12 m)	18' 0" (5.77 m)	16' 5" (5 m) – 17' 3" (5.25 m)	24 kn / 30 kn	92