81 Broward Motoryacht

  • Price$495,000
  • Length81'
  • MakeBroward
  • Built1977

Saint Petersburg, FL

30 years under one, knowledgeableowner.30 years under the same, fastidious captain.30 year commitment to care, maintenance and upgrades.Not in 30 years has this unique opportunity been available.The Motoryacht Grindstone is now available for sale/lease through AMI!M/Y Grindstone has given its former owner owners years of amazing experiences--from the Bahamas to Maine. She turns heads in every harbor, and is one of the most discernible cruising yachts on the East Coast. Reluctantly, the owners have decided it is time to move on to their next chapter in life. She has entered the donation program and is currently available under a lease to purchase option. This handsome motoryacht offers comfortable accommodations for six, three crew and just delightful living spaces. From an open flybridge, to an enclosed aft deck, to a formal dining room (that is right, dining room, not dining area), M/Y Grindstone will please the most discriminating cruisers and entertainers. She has has been in a consistent program of inspection, maintenance and upgrades. There is very little on M/Y Grindstone that is original, although all the upgrades have been in keeping with the original and timeless design. A partial list of upgrades and condition:Repowered with CAT C12'sUpgraded Garmin electronicsRebuilt generatorsAll exterior surfaces have been paintedMost interior joiner work has been replacedAll pumps and hoses and systems are currentExterior brightwork is finished to a very high standard.Updated galley with refaced cabinets, new counter-tops and appliancesFull service of machinery 4/20In addition to serving its owner well over the years, M/Y Grindstone has had an amazing charter history. The accommodations really work and the condition is just head and shoulders above the crowd.M/Y Grindstone is stunning from afar, but equally stunning in an up-close inspection. She is simply turn key, and ready for new owners. Call today to discuss this beautiful classic and the advantages of the lease to purchase option.


  • NameGrindstone (ex Pyewacket)
  • Current Price$495,000
  • Year1977
  • Length81'
  • Hull MaterialAluminum
  • Fuel Capacity2700|gallon
  • Beam18.17 ft
  • Location (city)Saint Petersburg
  • Location (state)FL
  • Location (country)US

Essential Information

  • MLS® #7055939
  • Model81 Motoryacht
  • Builder
  • Title81 Broward Motoryacht
  • TypePower
  • Sub-TypePilothouse, Motor Yachts, Flybridge
  • StatusActive


  • # of Heads4

Engine 1

  • TypePower
  • Fueldiesel
  • MakeCaterpillar
  • ModelC12
  • Drive TransmissionDirect
  • Power705|horsepower
  • Boat Engine Location CodePort

Engine 2

  • TypePower
  • Fueldiesel
  • MakeCaterpillar
  • ModelC12
  • Drive TransmissionDirect
  • Power705|horsepower
  • Boat Engine Location CodeStarboard



  • Stainless steel double sink
  • GE Freezer
  • Whirlpool Refrigerator
  • Whirlpool 4 burner stove with oven
  • Bosch Dishwasher
  • GE Microwave
  • Kitchen Aid Trashcompactor
  • Whirlpool Washer/Dryer

Machinery & Propulsion

Caterpillar C12 6 cylinder 705 hp 2350 RPM

Twin Disk Transmissions 2.04:1 ratio

Dual Racor filters

4 blade props (with a set of spares)

2.25" shafts

Navigation Electronics

(2) Furuno GA AS Radar

(2) Garmin Chartplotters

Wood Freeman Autopilot

Data Marine Speed Log

Simrad Depthsounder

Datamarine Depthsounder

Simrad IS20 Windspeed

B&G Depthsounder

(2) 6" Danforth Compass

Raytheon Ray 430 Hailer

Single Side Band RadioSea Inc 222

SAT Phone


Hull Construction

Modified V, planing with flared bow and hard chines

Welded Aluminum construction

Awlgrip paint finish

Bulkheads--athwartship reinforcement enhanced by aluminum bulkeahdsl welded to the hull

Full length stringers welded to topsides, heavy grid system in the area of the keel

Transom is aluminum

Chain locker is forward and accessible through access in forward cabin

Electrical Systems

Mastervolt 220V 12V 35A battery charger

Sentry 220V 24V 40A battery charger

(2) Kilo Pak 110V generators 33KW

220V 50A Shore Power Inlet

220V 100A Shorepower inlet

(6)8V engine start batteries

(4)12V generator start batteries

Additional Equipment

Quantum Marine Stabilizers 9 sq ft fins (

Nautica 15' Tender with 60 hp Yamaha with cover

Yamaha Wave Runner with cover

Nautical Structures 100 old capacity

38 gallon hot water tank


Sump for all showers

Navy style anchor 50 pounds

All chain rode BBB

Ideal Windlass

Aqua Air Chilled water split system, 3 zones

Safety Equipment

(37) PFD's

(2) Type Two Throwables

Fire extinguishers 6 + 1 Halon system

Flares 12 gauge Day?night visual distress signals and hand held flares

Operable air horn

Nav lights, stern light and anchor light

(2) Zodiac 6 man life rafts


Calisle and Finch Search Light

3 Bilge Pumps

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.
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