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Sirena Yachts 58 (2019-)
(w/ 2 x 650-hp CAT 8.7)

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Brief Summary

The third launch for Sirena Yachts since the company started building its own boats in 2006, the 58 was introduced in 2018. She made her U.S. debut at the Fort Lauderdale International Boat Show and is available in multiple accommodations plans. Like her predecessors, the Sirena 58 is a long-range cruiser with a semi-displacement design.

Key Features

  • Large flybridge with spacious lounge areas
  • Sunroof in flybridge hardtop
  • Use of carbon in the superstructure and flybridge lowers the weight and the boat’s center of gravity
  • Choice of three belowdecks layouts
  • Hydraulic swim platform
  • Two helm stations
  • Side boarding doors
  • Optional deck access to VIP cabin
  • Specifications

    Length Overall 61'
    18.59 m
    Beam 17’7''
    5.36 m
    Dry Weight 61,729 lbs.
    27,999 kg
    Tested Weight 64,852 lbs.
    29,416 kg
    Draft 4' 1''
    1.24 m
    - Draft Up N/A
    - Draft Down N/A
    - Air Draft N/A
    Deadrise/Transom N/A
    Max Headroom N/A
    Bridge Clearance N/A
    Weight Capacity N/A
    Person Capacity N/A
    Fuel Capacity 950 gal.
    3,596 L
    Water Capacity 210 gal.
    794 L
    Length on Trailer N/A
    Height on Trailer N/A
    Trailer Weight N/A
    Total Weight
    (Trailer, Boat, & Engine)
    N/A

    Prices, features, designs, and equipment are subject to change. Please see your local dealer or visit the builder's website for the latest information available on this boat model.

    Engine Options

    Std. Power 2 x 650-hp CAT C 8.7
    Tested Power 2 x 650-hp CAT 8.7
    Opt. Power 2 x 850-hp CAT C 12.9

    Test Results - Change Measurement Unit

    RPM MPH Knots GPH MPG NMPG Stat. Mile NM dBa
    700 7.4 6.4 2.0 3.7 3.2 3142 2732.3 63
    1000 10.4 9.0 8.0 1.3 1.1 1106 961.9 67
    1250 12.2 10.6 14.0 0.9 0.8 745 647.9 68
    1500 15.0 13.0 24.0 0.6 0.5 533 463.1 68
    1750 18.7 16.2 34.0 0.5 0.5 469 407.8 74
    2000 23.4 20.3 47.0 0.5 0.4 426 370.2 76
    2200 26.2 22.7 60.0 0.4 0.4 373 324.0 79
    2300 28.1 24.4 66.0 0.4 0.4 364 316.5 80
    RPMNMKMKPHLPHKPLdBA
    700 2732.3 5057 11.90 7.57 1.57 63
    1000 961.9 1780 16.70 30.28 0.55 67
    1250 647.9 1199 19.60 53.00 0.38 68
    1500 463.1 858 24.10 90.85 0.26 68
    1750 407.8 755 30.10 128.70 0.21 74
    2000 370.2 686 37.70 177.91 0.21 76
    2200 324.0 600 42.20 227.12 0.17 79
    2300 316.5 586 45.20 249.84 0.17 80

    All fuel consumption numbers are the total for all engines in the boat. Speeds are measured with Stalker ProSports radar gun or GPS. Fuel consumption (gallons per hour) measured with Floscan digital fuel-flow meter or by on-board factory-installed diagnostic instruments. Range is based on 90% of published fuel capacity. Sound levels determined using Radio Shack digital decibel meter on A scale. 68 dBA is the level of normal conversation. Time to plane is measured from start of acceleration to formation of rooster tail behind boat.

    Performance Chart

    Performance Chart

    Acceleration Times & Test Conditions

    Time To Plane N/A
    0 to 30 N/A
    Ratio 2.037:1
    Props 2'6"/800mm
    Load 5 persons, 1/5 fuel, 3/5 water, 50 lbs. of gear
    Climate 72 deg., 68 humid; wind: 10-15 mph; seas: 1
    Elevation Sea level

    Captain's Report

    Contents of Report

    Sirena 58
    The Sirena 58 is a semi-displacement design intended for long-term cruising. With twin 650-hp diesel engines, she has a range of 463 nautical miles at 15 knots.

    Mission

    The Sirena 58 was designed for cruising with her semi-displacement hull bottom, Class A European certification, a low center of gravity and tall bulwarks and covered side decks that make it easy to safely head to the bow. She’s available with a choice of three belowdeck plans, including dedicated access to the VIP cabin from the bow. The large flybridge and salon lend themselves to entertaining, whether guests prefer to be indoors or out.

    Major Features

      Large Flybridge. Multiple lounge areas lend themselves to entertaining.

      Extended Hydraulic Swim Platform. Push a button and it lowers into the water with accompanying stairs for easy tender retrieval and re-boarding.

      Large Bow Seating Area. Spacious lounges create a comfortable place to enjoy the sun.

      Upper and Lower Helms. This is something not always found on boats less than 65’ (19.81 m) long and both are positioned on the port side so the captain can easily choose.

      Innovative Bow Stateroom. Thanks to the plumb bow the master stateroom is almost one of a kind.

    The Designers

    Sirena 58
    German Frers is one of the most respected yacht designers in the industry.

    German Frers. As with other Sirena yachts, the hull and exterior styling were drafted by Frers Naval Architecture & Engineering, which is based in Buenos Aires. Led by German Frers, the firm dates back to 1925 when his father started designing boats. German took over in 1970 and to date, the company has created more than 1,300 designs.

    Sirena 58
    Tommaso Spadolini at the drafting table in his office in Florence, Italy.

    Tommaso Spadolini. Studio Spadolini designed the Sirena 58’s interior. Principle Tommaso Spadolini has collaborated on more than 200 yachts in his 30-year career.

    Features Inspection

    Choice of Cabins

    Sirena offers the 58 with three different belowdecks layouts, two that sleep six people and one with dual master cabins.

    Sirena 58 layout
    Our test boat had the standard layout with the master stateroom at amidships, guest quarters just ahead to port, and the VIP cabin forward.
    Sirena 58 layout
    In this alternative layout, the master is forward with side-by-side guest cabins aft.
    Sirena 58 layout
    The third configuration features two staterooms and would probably be the best alternative if the boat has two owners. Notice the separate entry for the bow cabin.

    Master Stateroom. Positioned at amidships, the master stateroom has a 72” (1.83 m) -long by 65” (1.65 m)-wide berth that’s located on the boat’s centerline so vessel movement has the minimum effect on people sleeping. Standing headroom is 6’5” (1.96m) and it’s 4’8” (1.42m) from the berth to the overhead. To starboard, there’s a larger closet plus accent and reading lights and outboard is a large window, storage drawers, and a vanity with a lighted mirror.

    Forward, a 50” (1.27 m) TV rises from a cabinet at the foot of the berth. To port are a smaller closet, another chest of drawers, and a loveseat. There is additional storage in drawers in the base of the berth.

    Sirena 58
    Notice the recess in the overhead above the berth that creates maximum headroom.
    Sirena 58 master
    The large windows on both sides of the master stateroom let in tons of natural light to give the quarters a more spacious feel.

    The Master Head. A hatch forward to starboard in the cabin leads to the master head, which has a hullside port that opens to let in fresh air, a Corian countertop with lots of open space, and a mirrored cabinet outboard of the extra-wide vessel sink. The toilet is installed at an angle to make it more comfortable to use and the separate shower is in a glass enclosure with a rainwater spout overhead and a pull-up wand. There’s storage in cabinets at eye level and below in the base of the sink.

    Sirena 58 master head
    Even with the doublewide sink, there’s plenty of counter space for toiletries. A fiddle rail on the countertop would be a good idea to contain spills.
    Sirena 58 shower
    The shower is separated from the rest of the master head by this circular glass enclosure.

    Guest Cabin. Heading aft from the master stateroom to port is a guest cabin with two single berths. There are storage drawers in the bases plus a hanging locker forward. To let in light and sea breezes, the cabin has an opening port in the hullside. This cabin also has access to the day head, which is a wet model that has a curtain to close off the shower and a wand instead of a fixed head.

    Sirena 58 storage
    Storage in the guest cabin includes shelves abaft the window with an opening port and a closet just ahead.
    Sirena 58 day head
    This doorway forward in the guest cabin provides access to the day head.
    Sirena 58 day head
    The day head also has an opening port to release shower steam and let in refreshing breezes.

    VIP Quarters. In the bow, the VIP stateroom has a 75” (1.91 m) by 67” (1.70 m) berth plus standing headroom of 6’4” (1.93 m) and seated clearance of 4’7” (1.40 m) on the berth. In the two-stateroom layout, there are separate stairs from the bow to the forward cabin. There are large hullside windows outboard with opening ports and storage is in cabinets and closets on each side of the cabin. Like the master head, the VIP facilities have a separate circular shower stall.

    Sirena 58 vip
    As we saw in the master, large hullside windows in the VIP staterooms create an airy, more spacious feel.
    Sirena 58
    In the two-stateroom layout, this hatch adjacent to the bow lounge provides direct access to the VIP cabin.

    Crew Quarters. Regardless of which layout an owner or owners choose, the Sirena 58 comes with quarters and a head for a single crew member. The entrance is from the boat’s swim platform.

    Sirena 58
    Entry to the crew quarters is provided by this hatch on the Sirena 58’s swim platform.
    Sirena 58 crew cabin
    The crew cabin has a single berth and a full height hanging locker.
    Sirena 58 crew head
    Even the crew quarters has an opening port in the head so fresh air can be let in.

    Salon Deck

    Sirena 58
    The salon is designed for easy flow from the sliding glass door to the cabin stairs that are forward to starboard.

    The Lower Helm. Stairs lead up from the cabin deck to starboard just alongside the lower helm. Working from starboard to port, there’s a cabinet with an open countertop for charts and storage forward. Aft behind darkly tinted plastic doors, the main distribution panel is located in an intelligent spot and is thoughtfully laid out with the 120-volt AC switches to port and the 12-volt DC system to starboard. At the top are the AC-shorepower selector and genset battery and start-stop switches. All of the switches are clearly labeled and illuminate when on.

    The lower helm has twin 12” Garmin GPSMap 7612 multifunction displays in clear view. ZF digital controls are to port with the thruster joysticks just aft. Immediately to starboard are the windlass control and Garmin autopilot. The engine start-stop buttons are ahead of the steering wheel and to starboard are the CAT engine screen, accessory switches, and the controls and screens for the Zipwake interceptors and Seakeeper gyroscopic stabilizer.

    The driver and a companion can sit on the double-wide seat and just aft to port is a manually opened sliding window. Across to starboard is a door that opens to the deck. Sirena did a good job with the 58’s windshield. The view through the glass was clear and undistorted even in the curved sections. There’s a skylight with a power shade centrally positioned above the lower helm.

    Sirena 58 panel
    The distribution panel is alongside the lower helm and has an easy-to-follow layout.
    Sirena 58 garmin
    The Garmin MFDs at the lower helm provide navigational and engine information, eliminating the need for traditional analog gauges and notice the smartly positioned air-conditioning ducts on each side.
    Sirena 58 helm
    The lower helm controls are set up intelligently with the digital shift/throttle levers forward and the thruster joysticks aft.
    Sirena 58 compass
    The compass is positioned ahead of the ignition switches, but is not in line with the steering wheel, which we would prefer.
    Sirena 58 engine info
    To provide additional engine data, there is a screen to starboard in a separate panel that includes the accessory switches. Below are the screen for the Seakeeper to port and the controls for the Zipwake interceptors to starboard.
    Sirena 58 helm seat
    The captain and a companion can lower the bolster on the doublewide seat at the lower and sit down during a long cruise.
    Sirena 58 bolster
    Or the bolster can be folded up if the captain wants to stand up and get a better view.
    Sirena 58 storage
    There are two storage drawers in the base of the lower helm seat.
    Sirena 58 salon windows
    This window adjacent to the lower helm can be lowered to let in fresh air or the blind can be deployed to reduce glare.
    Sirena 58
    This skylight above the helm is actually intended to provide natural light for the cabin level foyer below.

    The Salon. Abaft the lower helm, the salon has 6’8” (2.03 m) of headroom, an L-shaped sofa to starboard that wraps around a table and can be lowered to convert the area to an extra berth. To port is a second loveseat-sized lounge. The upholstery is suede leather and overhead details include leather-wrapped rails and Alpine Oak trim. Air conditioning vents are covered with custom-carved oak valences and the side windows have manual blinds.

    Sirena 58 salon lounges
    The salon lounges have plenty of space for entertaining around the table.
    Sirena 58 lounge
    Lower the table and add these cushions to create a place for kids to nap or for unexpected guests to spend the night.

    The Galley. It’s an 8” (20.32 cm) step down from the salon to the galley, which is aft to starboard. There’s a removable hatch in the countertop that uncovers the stainless-steel sink plus good space for meal preparation and a Miele four-burner stove. A stainless-steel hood vent clears the area of steam and fumes and our test boat had a dishwasher as well. There’s storage at eye level with a dedicated wastebasket rack beneath the sink. Spice-rack-style shelving pulls out between the slot between the oven and dishwasher. Across the way to port is the refrigerator above and freezer below with storage aft.

    Sirena 58 galley
    Here’s a good look at the ease of passage from the galley, which is aft, to the salon and lower helm.
    Sirena 58 galley sink
    Sirena calls this color of the Corian countertop Natural Concrete and two hatches pull out to uncover the stainless-steel sinks.
    Sirena 58 stove
    The four-burner Miele stove has rails on each side with clamp-on holders for four pots or saucepans.
    Sirena 58 oven
    Just below the countertop stove is the convection oven. Notice that Sirena matched the woodgrains above and below the appliance.
    Sirena 58 trash
    Sirena provides a wastebasket in the cabinet beneath the sink.
    Sirena 58 refrigerator
    The refrigerator is across from the galley and just below is a freezer.

    The Aft Deck. A doublewide stainless-steel framed door leads out to the Sirena 58’s cockpit. The cockpit lounge has seating around a table that measures 74” (1.88 m) by 25” (.64 m). It’s supported by stout twin stanchions. To starboard, there’s a compact console that houses a grill and wine chiller. The grill has a mirrored heatshield on the underside of the hatch to shut down the heat when closed.

    Sirena 58 cockpit
    Here, our test captain enters the cockpit, which has a lounge and a table where passengers can enjoy an al fresco lunch.
    Sirena 58
    This compact console in the cockpit has a grill up top and a wine chiller with bottle racks below.
    Sirena 58 boarding door
    This boarding door in the aft port gunwale makes it easy to step aboard from a dock or fixed pier.

    The Swim Platform. Twin passages on each side lead aft to the Sirena 58’s swim platform. On each side, there are line/fender lockers and cleats to tie off stern lines, plus gates that close the passage. The platform itself measures 3’ (.91 m) for to aft and is full beam. Our test boat had the optional 4’ (1.22 m) extension that lowers into the water with hydraulics to facilitate tender loading.

    Sirena 58 swim platform
    Here we see the swim platform extension hydraulically being lowered into the water.
    Sirena 58 fuel fills
    There are fuel fills in cabinets in the passageways on each side of the boat.

    The Bow

    Heading forward to the Sirena 58’s bow, the passageways are 21” (53.34 cm) wide and fuel fills are in dedicated lockers. The bulwarks are 34” (86.36 cm) tall and topped with teak caprails. Admidships cleats are in hawse holes and overhead, the passage is protected by the overhanging flybridge. This is a smart design on an adventure or exploring yacht.

    The bow area has a forward-facing sofa-style lounge with a walkway between it and a sunlounge that is 78” (1.98 m) wide and 100” (2.54 m) at its longest point. There are grabrails and cupholders in reach of the lounge and hatches for fender lockers open on twin stainless-steel gas struts. As mentioned earlier, if the boat is ordered with two staterooms below decks, the forward fender locker would open to stairs to a bow cabin. The foredeck has two 12” (30.48 cm) cleats, and a Lofrans windlass with access to the rode locker beneath twin in-deck hatches.

    Sirena 58
    A walkway separates the forward-facing seats on the front of the pilothouse and the flat sunlounge on the Sirena 58’s bow. This will be a popular hangout area on this boat.
    Sirena 58 fender storage
    There are fender-storage lockers on each side of the boat. Notice that twin stainless-steel gas struts hold the hatch open so crewmembers can use two hands to work with the contents.

    The Flybridge

    Heading aft from the bow to the cockpit, there are stairs that lead to the Sirena 58’s flybridge. Aft on the flybridge is a large lounge to port that wraps around a table. There’s storage under the seats and if an owner prefers, he can leave this area open.

    Beneath the centrally located radar mast, there’s 6’7” (2.0 m) of headroom and the flybridge hardtop measures 9’ (2.74 m) by 8’5’ (30.78 m). There’s a rainfall-style shower and to starboard, a wet bar contains an electric grill and a sink with a foldup faucet. In the base are cabinets with a refrigerator and open storage under the sink. Forward of the radar mast to starboard, there’s a lounge that wraps around a 54” (16.46 m) x 31” (9.45 m) table on twin fixed pedestals. Ahead to starboard adjacent to the flybridge helm is a sunlounge that has space for a couple to stretch out and soak up the rays.

    Sirena 58 layout
    The Sirena 58’s flybridge is shown here with the area abaft the stairs left open, possibly for tender storage.
    Sirena 58 flybridge layout
    Owners who plan to have a crowd on board can also opt for this spacious lounge that fills the area.
    Sirena 58
    To starboard on the flybridge, the wet bar has an electric grill, a sink with a fold-up faucet, and a refrigerator and storage below.
    Sirena 58 lounge
    Our test captain appreciates the craftsmanship and solid feel of the flybridge table.
    Sirena 58 console
    Across from the lounge and table, this console has open storage behind the larger hatch and a refrigerator or icemaker behind the smaller one.
    Sirena 58
    With the push of a button, the flybridge sunroof can be retracted fully or partially.
    Sirena 58
    Forward to starboard, there’s a lounge that’s long enough for adults to stretch out on and soak up the rays.

    The Upper Helm. Like the lower station, the upper helm is positioned to port. Working our way from port to starboard, the layout has the digital shift/throttle controls forward of the thruster joysticks. Immediately to starboard are the autopilot and Zipwake controls. The steering wheel is centrally positioned with the ignition buttons and compass just ahead.

    Forward in an angled panel are two 12” (30.48 cm) Garmin MFDs in an angled panel with the windlass control to starboard. To starboard are the dedicated engine monitoring screen, Seafire system monitor, spotlight control panel, and the accessory switches. The upper helm seat is 42” (1.07 m)wide and is in a fixed position.

    Sirena 58 upper helm
    With the upper helm positioned to port, the captain has a good overall view when pulling in and out of a slip.
    Sirena 58 upper helm
    Our test boat had twin 12” (30.48 cm) Garmin multifunction displays, but there’s room for more if an owner wants to go bigger.
    Sirena 58 helm dash
    To starboard at the upper helm are the dedicated engine information screen, fire suppression monitor and spotlight controls. Below are the stereo and connectivity plugs. We like the positioning of the VHF microphone.
    Sirena 58 helm seat
    The bottom cushion for the flybridge helm seat can be removed for off-season storage or during inclement weather so it won’t get soaked.

    Engine Room

    A hatch in the cockpit deck provides access to the Sirena 58’s engine compartment. We found good access to the 21.5 kW Cummings genset, water-separating fuel filters and mechanical accessories. We measured compartment headroom at 5’ (1.53 m) and space between the engines at 52” (1.32 m).

    All accessories are clearly labeled and Sirena limited the number of holes for through-hulls by using a seachest that onboard water systems drain into. It has a single outlet through the hull. The freshwater filter can make 800 gallons (3,028 L) per day and there’s good access to the Seakeeper 9 gyroscopic stabilizer. Throughout the compartment, there’s plenty of light and a strong ventilation system.

    Sirena 58 engine access
    This hatch in the cockpit deck raises on a stainless-steel strut to access the engine compartment.
    Sirena 58
    With the decks covered in aluminum nonskid and plenty of illumination, the engine compartment has a more open feel than we expected.
    Sirena 58 filters
    The Sirena 58 has three fuel-separating water filters for each engine because the manufacturer specified the twin Racor units, which are white, and Caterpillar provided its own orange one.
    Sirena 58 sea keeper
    Positioned for easy access, the Seakeeper 9 is in this custom compartment at the front of the engine room.

    Performance

    The Numbers. The Sirena 58 measures 61’ (18.58 m) with a 17’7” (5.36 m) beam. She draws 4’1” (1.24 m) and has an estimated empty weight of 61,729 lbs. (27,999.8 kg). With 190 gallons (719 L) of fuel, five people and test gear on board, our estimated weight was 64,852 lbs. (29,416 kg). Our test boat was powered by twin 650-hp CAT diesels spinning 2’6” (.76 m) propellers.

    Running in 1’ (.30 m) seas and 15-mph winds, we hit a top speed of 28.1 mph at 2300 rpm. Best cruise came at 2000 rpm, where we recorded 23.4 mph and 47.0 gph, which translated into 0.5 mpg and a range of 426 statute miles with 10 percent of the boat’s 950-gallon (3,596 L) fuel capacity in reserve.

    Sirena 58 running
    The Sirena 58 is designed for long-range cruising and can travel more than 450 statute miles at 23.4 mph.

    Displacement Speeds. At 1000 rpm we recorded 9.0 knots, burning 8 gph for a range of 961 with a 10% fuel reserve. That means cruising around Europe she can easily country hop. It also means that she can easily island hop from North America down island to South America. She can also go from Seattle to the Alaskan pan handle and back with only one fuel stop at displacement speeds.

    Handling

    The 58 is designed for cruising and when we ran through the chop on test day, we were impressed with how well the raised reverse chine knocked down spray.

    Sirena 58 running
    This photo shows how effective the 58’s raised reverse chines are at deflecting spray.

    Observations

    Sirena Marine packs a lot into the 58. The choice of belowdecks floorplans is welcome and the optional direct entry to the VIP cabin from the bow in the twin-stateroom configuration lends itself well to co-ownership or chartering situations.

    The plumb-bow design gives the boat a seaworthy look and feel. The rounded windshields for the pilothouse and large salon windows improve visibility and the tall hullsides and bulwarks approaching 3’ tall add safety for those on deck in snotty conditions. She also has a Class A rating.

    That she’s built with advanced composites like carbon and technologically advanced methods including resin-infusion give the 58 a solid feel on the water and enhance her efficiency for distance cruising at displacement speeds.

    Test Result Highlights

    • Top speed for the Sirena Yachts 58 (2019-) is 28.1 mph (45.2 kph), burning 66.0 gallons per hour (gph) or 249.81 liters per hour (lph).
    • Best cruise for the Sirena Yachts 58 (2019-) is 18.7 mph (30.1 kph), and the boat gets 0.5 miles per gallon (mpg) or 0.21 kilometers per liter (kpl), giving the boat a cruising range of 469 miles (754.78 kilometers).
    • Tested power is 2 x 650-hp CAT 8.7.

    Standard and Optional Features

    Warranty

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