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Article selected from thousand boat trials performed by Nautica in nearly 50 years

Navigation trials

Please remember that the boat model described in this article could be no more available and its price, if indicated, could be outdated as it refers to the Nautica Magazine paper issue

For possible updated information on the model tested in this article and on all other models builded by this shipyard please search our YACHTING CATALOGUE

Text and photographs by Andrea Bergamini

Nautica Magazine
n. 517, May 2005


Atlantis 55

Strong of the success gained by her younger sisters and by a consolidated position of the Gobbi brand within the Azimut/Benetti group, the Piacenza-based yard continues in designing new models extending the fortunate Atlantis range.

Atlantis 55 The Atlantis 55, currently the flagship of the range, fills in the gap of a market sector developed over the last years that, both for the requests of a demanding and watchful clientele, as well as for the finishing level requested on this type of yachts, is starting to be ever more difficult to meet. This does not seem to have freightened Gobbi designers who, in our opinion, expressed, in the best way possible, the compromise between a sportsboat with an innovative and aggressive outside line and the habitability on deck as well as belowdecks intended for guests' utmost comfort.

Atlantis 55 The futuristic shape of the deck structure is seductive and gives the yacht an aggressive and rakish look. The "true"open philosophy may be appreciated inside the cockpit, in fact direct contact with the sea under way may be fully appreciated thanks to the ample windows and the transparent hard top, the forward part of which slides open by means of an electric control thus exposing the central part of the yacht.

Atlantis 55 This part was smartly conceived with an appropriate blend of gregarious areas linked to one another by ample sunbeds. The area covered by the hard top is provided with air conditioning and it may be heated in wintertime. Under the aft sunbed, which raises by means of a hydroelectric mechanism, there is the ample tender garage. Belowdecks, the elegance of the light interiors in bleached oak is tangible, in particular as regards furnishing, bulkhead lining, ceilings and cabinets.

Atlantis 55 The sea trials, carried out in moderate seas, highlighted the considerable stability of the Atlantis 55, favored by the substantial displacement of the yacht. The assemblies on the dashboard, excessively subject to vibrations, can be improved.


Designer: Yard's Technical Studio
Yard: Atlantis SpA (Azimut/Benetti Group); Sariano di Gropparello (Piacenza, Italy); tel. +39 0523 854711; fax +39 0523 858223; website; e-mail
CE category: B
LOA: 54'9"- Beam: 15'
Depth at the waterline: 10'1"
Draft from lower tip of propellers: 4'1"
Light displacement: 44,053 lbs
Maximum passengers capacity: 14
Berths: 6 in 3 cabins
Test boat power: 2x715-hp Caterpillar C-12
Total installed power: 1,430 hp
Total engines and reduction gears weigh: approx. 55,066 lbs
Light displacement/installed power ratio: 31 lbs/hp
Type of transmission: V-drive in-line shaft
Maximum declared speed: 34 knots
Cruising speed: 31 knots
Declared fuel consumption at cruising speed: 53 US gall/hr
Range at cruising speed: 310 miles
Fuel capacity: 528 US gall
Freshwater capacity: 172 US gall
Road transportation: bulky load
Price with standard equipment and test boat power: Euro 716,000.00 + Italian VAT.

Atlantis 55

Atlantis 55     Fuel consumption indicated in the graph is supplied by the manufacturer on the basis of sea trials, nevertheless effective consumption at sea may differ from published data as a function of: loads and their distribution aboard, vessel conditions, engine conditions and setting as well as characteristics of propellers used.


Atlantis 55 Hull: deep V warped section hull; 20 degrees deadrise aft. hydrodynamic longitudinal steps
Hull construction material: hand layup; gelcoat in isophthalic neopentyl glycol, blue stripe on the sides included; ISS (Integrated Structural System) construction; antifouling paint
Deck materials and characteristics: stainless steel sheerguard; electrically operated state-of-the-art hard-top and side windows in tempered glass; windshield wipers; portholes with mosquito nets; integrated roll bar with lights, flag pole holder and electrically operated light; hard-top shade. Companionway hatch in smoky Perspex. Tender garage with hydroelectric opening and hauling system
Atlantis 55 Bow area: sun bed cushioning; self-bailing anchor locker; 70-lbs anchor and 131 ft anchor chain; anchor stem support and chain washing pump; stainless steel bitts, pulpits and handrails; 1500W anchor windlass with controls on deck and in helmstation
Cockpit arrangements and fittings: lights with dimmer and courtesy light on the floor; teak flooring; bar cabinet with regrigerator, grill and sink; radio/CD player with waterproof loudspeakers; L-shaped settee with hydraulically retractable teak table; additional living area to port of the helm station; sun bed aft; folding seats in locker; aft platform access with gate; 6 fenders with fender cover and storeroom
Characteristics of the aft platform: teak surface; recessed shower with hot/cold water mixer.


Atlantis 55 Layout and characteristics: the saloon includes a living area on portside and the galley on starboardside, with an L-shaped countertop. The master stateroom is amidships with the double bed slantwise and en suite bathroom. Forward of the master stateroom there is the guest cabin with twin beds to starboard and the bathroom to port. The VIP stateroom is forward of the saloon with en suite bathroom
Helm station: starboard of the companionway, with pilot and co-pilot settee. Charmingly designed dashboard with instruments having the same style as those of sportscars
Chart table: tables in the cockpit and in the saloon available
Galley: wooden flooring; cabinets in bleached oak; Corian countertop; hanging cabinets, lockers and cupboards; crockery and cutlery sets for 8 in ad hoc compartments; combined grill/microwave oven; 2 ceramic hobs; recessed refrigerator/freezer; fire extinguisher.


Atlantis 55 Standard fittings: teak companionway steps; dodger; pilot settee and dashboard cover; GPS chart plotter; automatic pilot; LCD TV, DVD, Hi-Fi surround sound system in saloon and master stateroom; Mase generating set; bow thruster; tender hauling system; grill; "Atlantis"embroidered set of towels
Optional fittings: air conditioning plant(cockpit included); hard-top; radar; flap indicators; LCD TV and Hi-Fi system in the guest cabins; stern thruster; stern winch; electric operating system for side windows; anchor chain meter counter; telescopic hydroelectric gangway concealed when not in use; tender; sewage tank and grey water tank with electric expulsion indicator; watermaker; icemaker; master bathroom hydromassage shower column; underwater lighting in the aft platform; stainless steel anchor; safety equipment; cradle.


Wind: 15 knots
Sea: moderate.

Time needed to reach planing speed: 12 seconds
Minimum planing speed at 1,70 rpm's: 21.7 knots
Cruising speed: 29.5 knots at 2,100 rpm's
Maximum speed: 31.8 knots at 2,300 rpm's.


Atlantis 55 Seakeeping ability, turning and behavior on waves: notwithstanding the lousy moderate sea caused by the southeasterly wind, the hull crosses the waves with impressive stability even at very high speed
Wheel and flap response: the boat follows the course, turns are ample yet precise turns. Flaps do not affect the yacht's balanced trim
Visibility in different weather conditions: excellent thanks to the shape of the side windows that fitted with compass hinges facilitate ventilation of the helm station
Docking maneuverability: the Atlantis 55 is extremely responsive when maneuvering at low speeds, still the bow thruster is useful especially in strong winds.


Atlantis 55 Deck: sun beds are properly spread around the yacht, one is forward, one is aft and another one is amidships. The cockpit was conceived for enjoying open-air spaces and for utmost comfort the bellows awning for shading the central part and the heating of all of the open part. Some solutions that draw from automobile design are peculiar such as the headrests of the cockpit settees
Passengers' comfort: each cabin has its own bathroom. 6 persons may comfortably live aboard even during medium and long range cruises
Chart table: tabletops that may be used as chart table are more than sufficient
Galley: a double option is offered, either the cabinet in the cockpit or the larger and fully-fitted galley belowdecks integrated in the saloon and having several countertops
Engine room: easily accessible, with power access hatch; engines lay on antivibration flexible mounts; automatic/manual fire-fighting plant
Electrical switchboard and plants: electrical switchboard conveniently installed in the saloon. Easily recognizable pushbutton switches for each function. Digital control of the voltage.