1997 Bayliner 4788
"SERENITY AFLOAT"
Classic Lines, Modern Comforts
Highlights
- Twin Cummins 370 HP Diesels
- 3 Staterooms — Sleeps 6
- NEW Hydraulic Dinghy Lift (2024)
- Victron Lithium House Bank
- Updated Interior Throughout
- Proven Great Loop Boat
Overview
Serenity Afloat is a classic Bayliner 4788 Pilothouse with timeless lines and continuous, thoughtful upgrades. Twin Cummins 370 hp diesels, three staterooms sleeping six, Victron lithium electrical, and a recently refreshed interior. A proven Great Loop boat — turn-key and ready to cruise.
Key Specifications
Capacity & Storage
Engines
Cummins 6BTA5.9M3
Inboard • DieselCummins 6BTA5.9M3
Inboard • DieselGenerator
Westerbeke (2002) 10.0BTD
Description
Serenity Afloat represents a rare opportunity in today's market — a classic Bayliner 4788 Pilothouse with the timeless, elegant lines that turn heads on the water. With her raised pilothouse profile, generous proportions, and unmistakable presence, she's a boat that looks as good underway as she does at the dock.
Powered by twin Cummins 6BTA-5.9M3 370 hp diesels, she's built for serious cruising — a proven Great Loop boat, an exceptional live-aboard, and ideally suited to long-distance passages. Three private staterooms sleep six, with a bright, spacious salon and full galley designed for extended time aboard.
The boat shows that the current owner has pride of ownership and has invested thoughtfully and continuously: NEW Bimini (2024), NEW hydraulic dinghy lift (2024), Victron lithium house bank with smart monitoring, all-LED interior conversion, fresh flooring and refinished wood throughout (2018), cream Ultra Leather salon upholstery (2020), updated galley with extra-large sink (2025), replaced aluminum waste tank (2019), and a new memory foam master mattress (2024). Many more updates are detailed in the full spec list below.
Located at Bay Port Yachting Centre. Contact Rob Hopkins, CPYB at Maple Leaf Yacht Sales to arrange a private showing.
Model: 4788 Motor Yacht molded fiberglass, modified V hull, flybridge, twin screw pilothouse
DIMENSIONS
LOA 54'; Beam 14" 11'' Draft 3'4”; Displacement 30,000 lbs
CONSTRUCTION
Hull: Molded fiberglass, foam cored
Deck: Molded fiberglass, foam cored
Bulkheads: 2, marine plywood, ahead of the engine room and the tank space
Stringers: 4, 2” cross section fiberglass
NEW
Flooring – vinyl – no carpet
All faucets and shower controls replaced – black
All wall have been professionally painted to modernize look
Black water tank replaced with aluminum
Pilot house and upper helm captain chairs
Professional waxed and detailed yearly
250 ft chain 2024
All pot lights replaced with LED with dimmer switches
All other lights replaced with LED
FITTINGS
Rudders: Bronze, spade, working in flax packed bronze stuffing boxes
Propellers: 24 x 24” four blade bronze
Shafts: 2” s/s
Struts: Single arm bronze with rubber cutlass bearings
Shaft logs: Bronze with PSS dripless water cooled shaft seals
Trim tabs: Bennett electro/hydraulic
STEERING GEAR
Dual station air over hydraulic by Hynautic with autopilot steering pump
NAVIGATION EQUIPMENT
Sound: Horn, dual trumpet air; Bell: 8” chrome
Depth indicators: Raymarine depth/speed/temp; Interphase Twin Scope forward looking sonar
Compass: 1 Danforth magnetic compass; 1 Ritchie magnetic compass
Navigation (Bridge/Pilothouse duplicated displays and controls):
- Qty 2 e125 12" Raymarine Hybrid Multifunction TouchscreenDisplays
- Wind System with i40 and i60 displays with bridge mounted Rotavector Sensor
- 4kW 48" HD Digital Open Array Radar with full overlay capability
- Qty 2 i50 Tridata Displays with thru-hull transducers
- Raystar 130 GPS Receiver plus backup GPS Receiver
- EV400 Autopilot System consisting of EV-1 Heading Sensor and ACU-400 Controller
- Qty 2 P70R Rotary Autopilot Displays
- HS5 Network Switch and Seatalk NG Connection Cabling
Lights: Electric navigation and anchor lights; ACR remote searchlightwith bridge/pilothouse
control
Communication Radios: Raymarine RAY218 VHF radio in pilothouse, RAY55 VHF radio on bridge,
Fiberglass swim platform,
Hydraulic lift for tender with wireless reomote
4 step swim ladder
MAIN ENGINES
Make – model: Cummins 6BTA5.9M3 (Cummins 370’s)
Specifications: 6 cylinder, 4 cycle, turbocharged Diesel, fresh water cooled, 370 HP
at 2900 RPM, 12V starting motor, belt driven 12V alternator
Gear: ZF HSW 800 with 1.94 reduction
Controls: Hynautic dual station hydraulic throttle control
Exhaust: Cast iron manifold, water cooled turbocharger with upgraded s/s elbow,
hose, fiberglass lift muffler, hose to fiberglass side outlets with protective screens
Hour meters: Port-???? hrs, Starboard-???? hrs
Age/overhaul: Starboard engine is a Cummins supplied reconditioned engine
AUXILIARY MACHINERY
Generator:
Make – model: Westerbeke 10.0BTD
Specifications: 10 KW, 3 cylinder, 4 cycle, Diesel, fresh water cooled
Exhaust: Cast aluminum manifold, hose, f/g lift muffler, hose to bronze transom outlet
Hour meter: ???? hrs approx. (hour meter on panel is incorrect at 2668 hrs)
Age/overhaul: Installed October 2002
12V DC:
Bilge Pumps: 2, Rule 110 (1 w/float, 1 manual); 3, Johnson 800 (2 w/float, 1 manual); 1,
Par manual; 1, Jabsco 36600 manualhigh flow safety pump (8 GPM)
Other Pumps: Shruflo pressure water pump; Shruflo washdownpump; Shruflo toilet sea
water pump; Jabsco waste pump; Par aft shower sump pump; Atwood forward shower
sump pump
Blowers: 2, engine room exhaust; 2, head exhaust
OilXChangR oil change system
110V AC:
3, marine heat pumps with sea water cooling pump
Nutone counter mounted blender
4, 1500 W, electric cabin heaters
HULL CONNECTIONS
Main engines: Bronze ball valves, bronze/Lucite strainers, 2/c
Generator: Bronze ball valve, bronze/Lucite strainer, 2/c; (recently replaced and upgraded)
Heads: In - Bronze ball valve (recently replaced and upgraded), 2/c;Out - above waterline
A/C: Bronze ball valve, bronze/lucite strainer, 2/c. (recently replaced and upgraded)
Other: Washdown intake, bronze ball valve, 2/c (original)
(Note: 2/c=double hose clamped. 1/c-single hose clamped)
ELECTRICAL
Victron 3000watt Inverter, with colour controller
2 – Victron – 300watt hrs
Wiring: Stranded copper with thermoplastic insulation upgraded to larger gauge for reduced losses
Overload Protection:
12 V DC: Circuit breaker panel in the pilothouse, volt meter. Fuses for the bilge
pumps, next to the disconnect switches
Fused DC power lines in accordance with ABYC requirements
110V AC: Circuit breaker panel in the pilothouse, volt & amp meters; Circuit breaker at the generator
Shore Connections:
Inlets: single 50 amp, 250V cable
Cable Management: 1, 50 amp, 250V on GlendinningCablemaster powered shore
power cable retrieval system
Panel: Circuit load monitors on 3 banks with galvanic isolator
FUEL TANKS
Construction/location: 2, welded aluminum, chocked forward and outboard of the engines
Capacity: 222 gal each. 440 gal. total
Fill: 2, chrome/bronze deck fills, labelled DIESEL on each side
Venting: Screened hull vents
Feed lines: USCG type A1 hose with control valves for tank selection on draw and return
including generator feed selection
Valves: Fuel management manifold in the engine room
Filters: 2 primary Racor high flow fuel filter with AlageX on lines; 2 high filtration on-engine
filters; separate generator fuel filter
WATER TANK
Construction/location: 2, rectangular plastic, beneath the forward berth and the cabin sole
Capacity: 130 gal. & 70 gal. 200 gal. total
Fill: 2 s/s deck fills, labelled WATER on starboard side
Feed lines: Plastic
WASTE TANK
Construction/location: qty 1, rectangular, plastic chocked outboard of the starboard engine
Capacity: 48 gal. – NEW 2023
Discharge; Chrome/bronze, deck fitting, labeled WASTE on starboard side and offshore
overboard discharge pump controlled from pilothouse
VENTILATION
Machinery and Fuel Spaces: Natural baffled hull vents
Mechanical: 2, 12V exhaust blowers
Living Spaces: 2, foredeck vent/escape hatches; Pilothouse doors;Sliding salon windows
Air conditioning: 3 Marineair marine reverse cycle heat pumps (16,000, 12,000 & 8,000
BTU)
GALLEY EQUIPMENT
Galley: Corean counter top,
New extra large black sinks,
New Faucets fed with pressurized hot & cold water
Cooking: Princess 3 burner electric range with oven. Whirlpool over range microwave oven
Refrigeration: New (2023) Norcold dual voltage refrigerator/freezer in galley;
Wine fridge – 12 bottle
Condiment fridge
Hot water heater New 2023: 12 gal. electric with engine heat exchanger
Garbage compactor
FIRE FIGHTING EQUIPMENT
Fixed System: Halon 1301 Automatic engine compartment extinguishing system with pilot
house controls
Portable Extinguishers: BC I dry chemical; mounted in engine anteroom, mounted at
galley, mounted in main stateroom, mounted in aft cockpit
DECK MACHINERY AND EQUIPMENT
Cleats: S/S; 2 bow, 4 spring, 4 stern
Winches: Muir Cougar anchor winch with bow foot operated switches. Electric dinghy
davit winch with wired remote.
Masts – Booms: Aluminum 750 lb dinghy davit. Fiberglass radar archreinforced with
stainless steel tubing.
Ground Tackle: Rocna 55 kg/121 lb anchor with 250’ chain rode;
ADDITIONAL EQUIPMENT
Entertainment: Sony am/fm receiver/CD player with salon and pilothouse speakers
switchable to bridge speakers
Main stateroom am/fm/cassette stereo
Sufficient lines for both sides of vessel
Flybridge wet bar entertainment option with refrigerator
Flybridge bimini
Qty 1 Spare Bronze Propeller
Qty 1 Spare Alternator
ALTERNATOR CHARGER SYSTEM UPGRADE
Sterling Power 80 to 400 Amp Alternator to Battery Charger with remote control and
alternator temperature monitor (combines 2 Alternators to charge house battery bank with an
optimized charge cycle to increase battery life)
Sterling Power Voltage Sensitive Relay (combines starting batteries until charged then
separates them with zero loss)
Sterling Power 60 Amp 3 bank shore power battery charger with battery temperature
monitoring, power factor correction to 90% efficiency, and wide input voltage/frequency to
avoid issues with varying marina power
Sterling Power Amp-Hour battery monitor and management consolelocated in salon