1978 Uniflite Party Boat Boat in Berkeley, CA 94710 US
Party Boat
2 Engines (2x Volvo Penta)
50 feet
Diesel
Fiberglass/Reinforced
AMETHYST is a Coast Guard Inspected Vessel.
Currently hauled out at Bay Marine Richmond for topsides and bottom paint (April 2026)
The vessel is USCG certified as a 100-mile boat and licensed to carry up to 42 passengers. In 2020, Amethyst underwent a major mechanical retrofit, including the installation of new Volvo Penta D8 engines paired with ZF transmissions with trolling valves, significantly improving reliability, efficiency, and performance for charter operations.
Previously operating as Seabass, and before that as a commercial tuna vessel, the boat benefits from a robust commercial build. One of the lazarettes remains insulated and configured as a fish cooler, ideal for high-capacity fishing trips.
Performance & Condition
Comfortable cruising speed of 18 knots
Maximum speed of approximately 24 knots
Recent topside inspection completed
Vessel is in compliance, actively operating, and revenue-ready
Layout & Accommodations
Two marine heads (bathrooms)
Sleeping accommodations for up to 12
Four additional interior spaces suitable for storage, crew, or operational use
Main cabin to include a new seating layout designed to increase passenger capacity
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 |
|---|---|---|
| 3/31/26 | Price decreased | $300,000(-14.3%) |
| 2/17/26 | Initial price | $350,000 |
Overview from around the web 1978 Uniflite Party Boat
Customers rave about the 1978 Uniflite Party Boat for its spacious layout and classic charm, making it an ideal choice for entertaining on the water
Boaters appreciate the generous deck space, which allows for comfortable gatherings and easy movement while cruising. The cabin offers a cozy retreat with ample seating arrangements, making it perfect for lounging after a day on the water. Many owners highlight the sturdy construction and reliability of the Uniflite, which provides peace of mind during longer excursions. The vintage design adds a unique character, appealing to those who love a classic boating experience. Additionally, the boat's performance is often praised, with smooth handling and stability in various water conditions. Overall, the 1978 Uniflite Party Boat continues to impress with its blend of functionality and timeless appeal, making it a beloved choice among boating enthusiasts and party hosts alike.
The Biggest Pros and Cons
1978 Uniflite Party Boat: Pros and Cons
Pros
Spacious Design: The Uniflite Party Boat features a generous layout that accommodates larger groups, making it perfect for entertaining family and friends on the water.
Sturdy Construction: Built with solid fiberglass and a well-engineered hull, these boats are known for their durability, providing peace of mind for both casual outings and more extensive voyages.
Versatile Use: Ideal for various activities, from fishing and cruising to hosting parties and special events, the boat's multifunctional design appeals to a wide range of water enthusiasts.
Comfort Features: The interior often includes comfortable seating, ample storage, and well-appointed amenities, ensuring a pleasurable experience whether you’re sailing or relaxing dockside.
Classic Style: The 1978 model exudes a vintage charm that many boaters appreciate, making it a distinctive choice for those who enjoy the aesthetics of classic designs.
Cons
Age-Related Maintenance: Being a vintage model, the 1978 Uniflite Party Boat may require more frequent maintenance and repairs compared to newer boats, which could lead to higher upkeep costs over time.
Limited Technology: Older models may lack modern technological advancements in navigation, entertainment systems, and fuel efficiency, which can impact the overall boating experience.
Fuel Efficiency: Depending on the engine type, some users may find that older boats are less fuel-efficient compared to newer models, leading to higher operational costs during longer trips.
Availability of Parts: Sourcing parts for maintenance or repair might be more challenging due to the age of the vessel, requiring boat owners to be resourceful or seek specialist services.
Weight and Trailer Considerations: The boat's size and weight could make trailer transport and launching more cumbersome for some owners, necessitating a suitable tow vehicle for easy mobility.
Made For
The 1978 Uniflite Party Boat is perfect for those who love to entertain on the water. Ideal for families, friends, and groups looking for a spacious, comfortable way to enjoy recreational outings, this boat offers ample room for social gatherings, celebrations, and leisurely cruising. With its generous deck space, the Uniflite Party Boat caters to those who enjoy fishing adventures, sunset cruises, or simply relaxing while soaking up the natural beauty around them. Its versatile design makes it suitable for both casual boaters and seasoned mariners, providing a reliable platform for creating unforgettable memories on the water. Additionally, this boat appeals to individuals or businesses looking to offer charters or special events, thanks to its roomy interior and functional amenities. Whether you're hosting a birthday party, a family reunion, or a corporate retreat, the 1978 Uniflite Party Boat sets the stage for a fantastic experience on the water.
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Boats For Sale in California, United States Similar to the 1978 Uniflite Party Boat
Compare with similar boats and find the perfect one for you.
1978 Uniflite Party Boat | |||||
|---|---|---|---|---|---|
| $300,000 | $215,995 | $169,000 | $168,000 | $114,999 | $94,900 |
| Berkeley | San Diego | Dana Point | Dana Point | Redondo Beach | Oxnard |
| 50' | 64' | 48' | 48' | 34' | 42' |
| 6' | - | - | - | - | - |
| Volvo Penta | Detroit | Cumins | Cummins | Yanmar | Detroit Diesel |
| 450 hp | 400 hp | 330 hp | 350 hp | 370 hp | 310 hp |
| 159 | 85 | 17 | 349 | 65 | 140 |
Other Uniflite boats for sale in California, United States
Meet the Broker

Address
Boat Location
Contact Rubicon Yachts about 1978 Uniflite Party Boat
3300 Powell St, Suite 105, Emeryville, CA, 94608











