58 Bertram 1986 Boat for Sale

Tenacity

ASKING PRICE: $349,988 Watch Price

MUSKEGON, MI

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Off Market

Last updated Oct 29, 2025

Tenacity Boat | 58' Bertram 1986

Wow is one word that describes the last of the great Bertram MY shes a 100% fresh water boat. We are proud to be offering Tenacity she's the last year Bertram built their 58 Motor Yacht in that Era. She was ordered new by a West Michigan man who had his great friend fly monthly to the factory to oversee the build with all the custom upgrades that the owner has ordered. The list of custom factory options are extensive. Just to name a few were hydraulic bow thruster and also a crash pump system with an emergency valve if you had a hull breach she would be able to be saved like no other vessel back then. She has been serviced and well cared for by all owners and has always been in heated storage. The hull sides shine like the day that she left the factory and her chrome and stainless shows as new as well. I could go on and on but you will have to see her for your self. Call today to step aboard this incredible Yacht.
Updates over the years Updates Winter
Leather sectional 12k 2024/2025
New DR chairs 3k 2024/2025Granite + tile 10k 2024/2025
Appliances 10k 2024/2025
Labor 15-20k 2024/2025Washer Dryer Stacker 2024/2025
Also just had a complete detail buff and wax whole structure above and below rub rail. 8K 2025Complete service spring 20235 Smart TVs all new 2023
LED lights thru out 2023
New memory foam mattress toppers on all beds 2023
Topside and transom buffed and waxed
June 2023
Fresh Oil samples Brand new bridge enclosure 2022Complete service on mains and gen 2021/2022Bottom paint 2021/2022New stain proof Infiniti carpet on rear main deck and thru-out the boat 2022Fusion Touch screen head unit in CockpitFusion Touch Screen head unit on fly bridgeAC/Heat systems serviced on yearly basisFreedom LiftCaptain and passenger helm chairs on bridge updatedCustom when built Krystal back lite Art piece in the Master.Spare PropsUpdated stainless appliances Updated wine and beverage chillerUpdated electronics New sofa in saloonAll soft goods and decorations are included in the saleCockpit Saloon area updated furniture as wellLiquor dispensary system

Denison Yachting - San Francisco is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Jefferson Beach Yacht Sales.

Denison Yacht Sales offers the details of this yacht in good faith but can’t guarantee the accuracy of this information nor warrant the condition of this boat for sale. This yacht for sale is offered subject to prior sale, price change, or withdrawal from that yacht market without notice. She is offered as a convenience by this yacht broker to its clients and is not intended to convey direct representation of a specific yacht for sale.

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Tenacity HIGHLIGHTS

Yacht Details: 58' Bertram 1986
Location: MUSKEGON, MI
Engines: Detroit Diesel
Last Updated: Oct 29, 2025
Asking Price: $349,988
Maximum Speed: 22 kn
Max Draft: 5' 4''
Stock Number: B5460

Tenacity additional information

Specifications

Cruising Speed: 18 kn
Maximum Speed: 22 kn
Beam: 17' 11''
Hull Material: Fiberglass
Max Draft: 5' 4''
Fuel Tank: 2 x 625|gallon
Fresh Water: 2 x 130|gallon
Holding: 1 x 100|gallon
Cabins: 3
Heads: 3

Manufacturer

The Bertram 58 Motor Yacht is over 43 tons of sheer grace and pure power. Imagine a vessel so spacious that ten people can embark on an extended voyage without feeling crowded or confined. Even the flybridge can accommodate eight comfortably, as the soft ride of the Bertram deep-V hull glides over jagged waters at 26 miles an hour in conditions that other yachts would find a hardship. And yet, for all her grandeur, this 58-foot masterpiece performs with amazing economy. A foredeck with a built-in lounge is large enough to serve as a private terrace, while the cabintop can serve as the perfect sundeck. The aft deck is a patio for cocktail parties, champagne breakfasts, or just plain lounging and relaxing. The stereo systems, air conditioning, wetbars, ice makers and remote-control televisions are all standard equipment. The salon is an arena of luxury, equipped as it is with an electronic entertainment center, a dining table and a unique salon - galley divider. The galley is elegant and complete. The forward stateroom features upper and lower berths with ample closet and drawer space. Also included is a built-in ladder and shelf for quiet, unnoticed arrival and departure. The amidships guest stateroom is equally as private. This room adjoins a full-size head with a shower and comprises twin beds with plenty of locker and drawer storage. The master stateroom has a full side-to-side closet, hideaway vanity, remote-control TV, desk, and a king-size bed with bilge alarms and light controls conveniently built into the headboard. A shower and bathtub round out a full-size head adjoining this stateroom.

Galley

GE (4) burner glass top electric stove
Frigidaire side by side refrigerator/freezer with water and ice dispenser
GE microwave oven
U-Line wine chiller
30 gallon hot water tank - new

Electrical

Onan 30 kw generator
(2) Glendinning 50amp Cablemasters
Raritan battery chargers - (2) 32V, (1) 12V

Electronics

Raymarine E80 GPS/Chartplotter/Radar - lower
Raymarine E120 GPS/Chartplotter/Radar - flybridge
Robertson AP100DL Autopilot with remote built-in lower helm seat
HP 21" Hi-Res monitor - lower and flybridge
Uniden UM 625C VHF Radio/Hailer
Engine room and transom cameras
KVH TracVision with (4) receivers
C-Phone intercom system
JBL AM/FM/CD stereo with Sirius radio - bridge and lower

Deck & Exterior

Hard aft deck enclosure with walnut trim and (2) zones of air conditioning

Freedom Lift
Radar arch, hinged
Flybridge enclosure panels
Flybridge and aft deck carpeting
Flybridge wet bar with alcohol dispenser and ice maker
Aft deck wet bar with alcohol dispenser and refrigerator
Aft deck Whirlpool ice maker
Ideal windlass with 175' chain rode
Fresh and raw water washdowns

Additional/mechanical

Option to fill main water tanks while connected to dockside water

Glendinning engine synchronizer
Hynautic hydraulic steering
Hydraulic bow thruster
Lube oil change system with 40 gallon stainless steel tank and dockside connections
RACOR fuel filters
Engine room engine gauges
Spare propellors
Hydraulic engine room access
Engine block heaters
Dripless shaft logs