Boat Tests

Idea 100 and Honda BF350, the video test: perfect balance between design, comfort, and power

Two premieres in a single test: the new Idea 100, flagship of the Italian shipyard Idea Marine, and the first pair of Honda BF350 engines in their brand-new and eye-catching Sporty White finish. A double debut that immediately grabs attention: on one hand, a boat that takes the brand’s livability and build quality to the next level; on the other, the new 5-liter V8 engines that promise outstanding performance with the technical elegance that has always defined Honda Marine. Put them together, and the result is a combination that blends substance, speed, and comfort in perfect harmony.

Idea 100 and Honda BF350 on test

During the test, the sea isn’t exactly calm: a long swell from the southwest and slightly choppy to rough waters—ideal conditions to really understand how a boat behaves. As soon as we step aboard and start the engines, the two Honda BF350s reveal their character right away: the V8 sound is deep but never intrusive, controlled and refined. Each weighs about 350 kg, and their power-to-weight ratio says a lot about their sporty nature.

The Idea 100, with its 10.20 meters in length and 3.05-meter beam, sets off decisively yet smoothly. At idle, around 1,200 rpm, the speed is 6 knots, and the boat glides effortlessly over the water, maintaining trim and stability even in waves. Pitching is minimal, rolling almost nonexistent—a sign of a well-balanced hull and a design focused on safe, comfortable navigation even when the sea isn’t perfect. But it’s only when pushing the throttles forward that we truly grasp the potential of this pairing. Acceleration is smooth and progressive: the boat gets up on plae at just 10–11 knots, an excellent result for a cruiser weighing over five and a half tons. The thrust from the two Hondas is powerful yet controlled, with consistent, uninterrupted delivery. At 22 knots, we hit the first ideal cruising speed: moderate fuel consumption, balanced trim, low noise, and onboard comfort reminiscent of a larger yacht.

Then comes the moment to push it further: throttles down, the engines rev higher, and the Idea 100 accelerates effortlessly. 30 knots, 35, 38, 40… up to 46.7 knots at 6,200 rpm. An impressive performance for a cruiser, proving just how well the hull performs even at high speeds—always stable and precise in its responses. We slow down and settle at around 30 knots, the second perfect cruising speed: at this pace, fuel consumption stays around 48 liters per hour per engine, an absolutely convincing figure for two 350-horsepower V8s.

Turning maneuvers complete the picture: at 30 knots, with the wheel hard to port, the boat leans decisively but with total safety. The hull cuts through the water effortlessly, slicing through waves with ease, and the grip in turns is impeccable. When countersteering, the heel angle is significant but always under control, confirming a precise and predictable response. It’s clear: this Idea 100 not only handles the power of the two Honda BF350s with ease but fully harnesses it, delivering a mature, dynamic, and reliable seagoing performance.

Idea 100 – Test Data

RPM

           Speed in kn

Fuel Consumption(l/h)

Fuel Consumption(l/nm)

1,200 (MIN)

6.0

0.21

0.03

2,000

12.5

1.82

0.15

3,000

20.7

8.32

0.4

4,150

30.0

25.36

0.84

5,000

36.9

47.18

1.28

6,200 (MAX)

46.7

95.66

2.05

The Idea 100 in detail

With a length of 10.20 meters and a maximum beam of 3.05 meters, the new Idea 100 falls into the mid-sized sporty cruiser segment, but once on board, it feels more like a larger yacht. The first impression is of a sturdy, well-built boat where nothing is left to chance. Surfaces are generous and well laid out, with careful attention to ergonomics and smart solutions that make the most of every available centimeter.

At the stern, there’s a large sunbed of about 6 square meters, beneath which lies a spacious technical locker. Access to the stern platform is comfortable and safe, and the aft area can be configured with modular sofas (for 8 to 10 guests), perfect for socializing at anchor.

The high, well-protected gunwales ensure safety even for children, while the side decks provide easy access to the bow, where another large sunbed completes the exterior layout. The quality of the finishings—typically Italian—is evident in the attention to detail: polished stainless steel, premium upholstery, and top-tier marine components. Two large side windows and six portholes flood the interior with natural light, creating a surprisingly spacious and bright atmosphere for a boat in this category.

The layout is designed to suit different uses—from day outings with friends and family to medium-range cruising. And thanks to the outboard configuration, maintenance remains simple.

Technical Specs

Length

9.50 m / 10.20 FT

Width

3.05 m

Weight

5,050 kg – 11,133 lbs

Max Power

2×400 hp

Min Power

2×250 hp

Engines

2 double UL

Shaft

2 UL

Passengers Capacity

10 / 12 

Category

A / B

Toilet

Separated – Standard

Cabin Shower

Standard

Porthole

6

Windows

2

Sunpad

6 m²

Stern sofas

8 / 10 guests

Beds

2 for 5 guests



Below deck, the Idea 100 embodies the shipyard’s philosophy: making the most of every inch to offer comfort and functionality without sacrificing design. The interiors, crafted with quality materials and light finishes, are divided into two separate areas—a private owner’s cabin and a convertible dinette forward. When converted, the forward cabin provides a spacious and comfortable queen-size bed. There’s plenty of storage, carefully finished surfaces, and abundant natural light coming through the side windows, creating an airy, open feel.

The aft cabin, on the other hand, offers two berths, for a total of four sleeping places—an ideal setup for families or couples who enjoy spending several days on board. Midships, the bathroom with a separate shower is a remarkable feature for a boat of this size: spacious, well-finished, and practical. Ventilation is excellent, and the overall feeling is that of a boat designed for comfortable, no-compromise cruising. The interior atmosphere recalls that of a compact suite: soft lines, no sharp edges, and lighting designed to create a cozy, relaxing mood both day and night.



Luca D'Ambrosio

Editor-in-chief, boat tester and journalist. Luca began sailing at an early age with his father then as an adult discovered sailing regattas and offshore racing. He has been working in publishing for more than 30 years and continues to sail incessantly, especially aboard the editorial staff's boat, an old lady of the seas that he has completely rebuilt and which serves excellently as a "mobile laboratory" for The International Yachting Media.

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