2004 JC Manufacturing 21' Neptune Boat in Dimondale, MI 48821 US
Built in 2004
21' Neptune
1 Engine (Mercury)
21 feet
--
Aluminum
2004 JC NEPTUNE 21' PONTOON - MERCURY 60 HP FOUR-STROKEVERY GOOD CONDITION - LOTS OF SEATING - SKI TOW BAR - GREAT FAMILY PONTOON!
GRAND POINTE MARINA SALE PRICE: $9,950
OPTIONAL TRAILER: ADD $2,000
COMPLETE BOAT, MOTOR & TRAILER PACKAGE: $11,950
AFFORDABLE FAMILY BOATING - QUALITY JC CONSTRUCTION - FUEL-EFFICIENT MERCURY FOUR-STROKE!
Grand Pointe Marina is pleased to offer this 2004 JC Neptune 21-foot pontoon, powered by a dependable Mercury 60 HP Four-Stroke outboard motor. This is an excellent opportunity to own a quality-built pontoon with plenty of comfortable seating, a spacious deck layout, and the versatility to enjoy cruising, swimming, fishing, and family watersports-all for just $9,950!
One of the biggest highlights of this pontoon is its very good interior condition! The boat features generous amounts of comfortable furniture throughout, providing plenty of room for family and friends to relax and enjoy the water. The seating upholstery has been well maintained and presents very nicely for a boat of this age.
JC pontoons are recognized for their aluminum construction, spacious layouts, and practical designs. Whether you're enjoying a relaxing evening cruise, anchoring at your favorite swimming spot, or taking the family out for a day on the lake, this 21-foot Neptune offers an outstanding combination of comfort, versatility, and value.
And with the economical Mercury 60 HP Four-Stroke engine, you'll enjoy quiet operation, excellent fuel efficiency, and the convenience of four-stroke technology without having to mix oil with your gasoline.
BOAT SPECIFICATIONS
Year: 2004
Manufacturer: JC Manufacturing
Model: Neptune 21'
Boat Type: Recreational Pontoon
Condition: Used - Very Good Interior Condition
Length: 21 Feet
Beam: Approximately 8'6"
Hull Construction: Marine-Grade Aluminum Pontoons
Engine Manufacturer: Mercury Marine
Engine: 60 HP Four-Stroke Outboard
Horsepower: 60 HP
Fuel Type: Gasoline
Steering: Console-Mounted Steering
Interior: Spacious Lounge Seating - Very Good Condition
Ski Tow Bar: Included
Trailer: Available for an Additional $2,000
Sale Price: $9,950
FEATURED EQUIPMENT & ACCESSORIESMERCURY 60 HP FOUR-STROKE OUTBOARD MOTOR
Included - Estimated Comparable Engine Value: $4,000-$6,000
This JC Neptune is powered by a Mercury 60 HP Four-Stroke outboard motor, providing economical and dependable power for recreational boating.
Engine Benefits:
Mercury 60 horsepower outboard
Four-stroke gasoline engine technology
Quiet, smooth-running operation
Excellent fuel economy compared with many older two-stroke engines
No premixing gasoline and oil
Convenient electric starting
Outboard design provides easy service access
Well suited for recreational cruising and family outings
The Mercury 60 HP is an excellent engine choice for customers looking for economical pontoon ownership without the higher fuel consumption associated with larger engines.
SPACIOUS LOUNGE FURNITURE - VERY GOOD CONDITION
Included - Estimated Comparable Upholstery/Furniture Replacement Value: $3,000-$5,000
One of the strongest selling points of this pontoon is its furniture condition!
This JC Neptune features a spacious interior with plenty of comfortable lounge seating for family and guests.
Interior Highlights:
Generous seating throughout the pontoon
Comfortable upholstered furniture
Furniture reported to be in very good condition
Spacious family-friendly seating arrangement
Comfortable captain's seating position
Open deck design for easy movement
Plenty of room for relaxing and socializing
Excellent layout for entertaining friends and family
Replacing pontoon furniture can be expensive. Having a boat with seating already in very good condition is a major advantage when shopping for an affordable used pontoon.
SKI TOW BAR - INCLUDED
Included - Estimated Comparable Accessory Value: $400-$700
This JC Neptune comes equipped with a ski tow bar, adding versatility for recreational boating activities.
Benefits Include:
Dedicated attachment point for suitable towable equipment
Keeps tow ropes positioned away from the outboard
Adds recreational versatility to the pontoon
Great feature for active families
Convenient permanent-mounted design
Towable activities must remain within the manufacturer's approved towing limits and the boat's available power.
OPTIONAL PONTOON TRAILER - $2,000 ADDITIONAL
Pontoon Only: $9,950
Pontoon With Trailer: $11,950
A trailer is not included in the advertised $9,950 sale price, but Grand Pointe Marina can add one for an additional $2,000.
Having a trailer provides several advantages:
Convenient transportation between lakes
Easier access for maintenance and service
Flexible winter storage options
Ability to launch at different locations
Reduced dependence on marina transportation services
Ask our sales team for additional trailer information and compatibility details.
JC NEPTUNE CONSTRUCTION & STANDARD EQUIPMENT
JC Manufacturing has a long history of producing quality aluminum pontoon boats. The 2004 Neptune series was designed around durability, practical layouts, and comfortable recreational boating.
Construction and Design Features:
Aluminum pontoon flotation construction
Aluminum deck-support framework
Marine-grade decking construction
Protective perimeter railing system
Spacious, approximately 21-foot recreational platform
Convenient outboard motor mounting arrangement
Open-air recreational design
Stable pontoon-style platform for family outings
Typical JC Neptune Series Equipment (verify equipment on this individual boat):
Fiberglass steering console
Instrumentation for engine monitoring
Captain's chair
Comfortable bow lounge furniture
Additional rear seating
Marine flooring
Navigation lighting
Boarding access gates
Marine-grade seating bases
Storage compartments within seating furniture
Courtesy and safety equipment provisions
Specific factory-installed accessories, stereo equipment, covers, ladders, and lighting should be confirmed during an in-person inspection.
WHY BUY THIS 2004 JC NEPTUNE?
1. AFFORDABLE PRICE - ONLY $9,950!
Enjoy the benefits of pontoon ownership without spending $30,000, $40,000, or more on a newer boat.
2. VERY GOOD FURNITURE CONDITION
Interior condition is one of the most important factors when purchasing an older pontoon. This boat's furniture is reported to be in very good shape.
3. MERCURY FOUR-STROKE POWER
The Mercury 60 HP Four-Stroke is an economical power option, ideal for comfortable cruising and relaxing days on the water.
4. PLENTY OF SEATING
Bring your family and friends along! The spacious furniture layout offers excellent seating and comfort.
5. SKI TOW BAR INCLUDED
Adds versatility for recreational watersports and family activities.
6. OPTIONAL TRAILER AVAILABLE
Purchase the pontoon for $9,950 or add a trailer for a complete package price of $11,950.
7. QUALITY JC MANUFACTURING
JC has a longstanding reputation in the pontoon industry, offering durable aluminum construction and practical recreational designs.
PERFECT FOR:
Family boating and weekend lake outings
Relaxing evening cruises
Swimming and anchoring at the sandbar
Entertaining family and friends
Casual fishing trips
Cottage and lakefront homeowners
First-time pontoon buyers
Budget-conscious boaters looking for a quality pontoon
GRAND POINTE MARINA SPECIAL PRICING
2004 JC NEPTUNE 21' PONTOON
MERCURY 60 HP FOUR-STROKE
VERY GOOD INTERIOR CONDITION
SKI TOW BAR INCLUDED
SALE PRICE: $9,950
OPTIONAL TRAILER: +$2,000
TOTAL WITH TRAILER: $11,950
This is a great opportunity to get into a spacious 21-foot pontoon with Mercury Four-Stroke power and very good furniture condition at an affordable price.
AVAILABLE AT GRAND POINTE MARINA
Serving Michigan Boaters Since 1968!
Grand Pointe Marina has been helping Michigan families enjoy boating for over 55 years. We offer an extensive selection of new and used pontoons, fishing boats, sport boats, cruisers, and trailers.
CONTACT GRAND POINTE MARINA TODAY!
Call or visit us for additional information, photos, financing information, or to schedule a personal showing of this 2004 JC Neptune 21' pontoon.
DON'T MISS THIS AFFORDABLE FAMILY PONTOON - ONLY $9,950!
Price excludes applicable taxes, title, registration, and additional dealer charges, if any. Trailer is not included unless purchased separately. Equipment, condition, and specifications are subject to verification and prior sale.
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.
Price History
| Date | Event | Price |
|---|---|---|
| 10/25/26 | Price decreased | $9,950(-91.0%) |
| 10/7/26 | Initial price | $111,111 |
2004 JC Manufacturing 21' Neptune Video Tours
Overview from around the web 2004 JC Manufacturing 21' Neptune
Customers are raving about the 2004 JC Manufacturing 21' Neptune for its exceptional balance of performance and comfort on the water
Many appreciate the spacious layout, which is perfect for family outings or gatherings with friends. The seating arrangements are designed for maximum relaxation, allowing everyone to soak up the sun and enjoy the ride. The boat’s stability and smooth handling have received praise from users who frequently navigate both calm and choppy waters. The powerful engine ensures that the Neptune can easily reach cruising speeds, making it suitable for water sports or leisurely trips along the coastline. Additionally, customers love the quality craftsmanship that JC Manufacturing is known for. The durability of the materials and attention to detail make this boat a reliable choice for years of enjoyment. Overall, the 2004 JC Manufacturing 21' Neptune continues to impress with its blend of functionality, comfort, and style, making it a beloved choice among boat enthusiasts.
Made For
The 2004 JC Manufacturing 21' Neptune is designed for boating enthusiasts seeking a versatile and comfortable experience on the water. Ideal for families and groups, this model is perfect for leisurely cruising, fishing excursions, or entertaining friends. Its spacious layout accommodates multiple passengers, making it an excellent choice for those who enjoy social gatherings on the dock or out on the open water. With a design that emphasizes stability and ease of handling, the Neptune caters to both novice boaters and seasoned mariners alike. Its reliable performance ensures enjoyable outings, whether you're navigating calm lakes or gentle coastal waters. Additionally, the 21' Neptune’s ample storage and amenities make it suitable for day trips or longer adventures, appealing to anyone looking to create lasting memories on the water. Whether you're exploring scenic waterways or seeking an enjoyable platform for water sports, the 2004 JC Manufacturing 21' Neptune is a fantastic option for any boating lifestyle.
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 2004 JC Manufacturing 21' Neptune | ||||||
|---|---|---|---|---|---|---|
| Price | $9,950 | $6,995 | $19,950 | $25,000 | $25,000 | $25,000 |
| Location | Dimondale | Jackson | Dimondale | Waterford | Waterford | Waterford |
| Nominal Length | 21' | 18' | 25' | 21' | 25' | 23' |
| Engine Make | Mercury | MARINER | Yamaha | - | - | - |
| Total Engine Power | 60 hp | - | 100 hp | - | - | - |
| Days on Market | 21 | 84 | 21 | 16 | 16 | 16 |
| Get in touch |
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Boat Location
Contact Grand Pointe Marina about 2004 JC Manufacturing 21' Neptune
7086 Creyts Road, Lansing, MI, 48821
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