The Blue Collar Classic: A Deep Dive into the Uniflite 36 Double Cabin
The Uniflite 36 Double Cabin (DC), produced from the early 1970s until the company’s closure in 1984, is a defining vessel of its era. Known for its rugged construction, spacious liveaboard comforts, and excellent seakeeping, this model remains a popular choice on the used boat market today, particularly in the Pacific Northwest where it was built.
Table Of Content
- ⚓ The Legacy of Uniflite: Rugged Construction
- The Fire-Retardant Resin Factor
- 📐 Uniflite 36 Double Cabin Specifications
- Performance and Engines
- 🛠️ Common Uniflite 36 and 1972 Uniflite 36 Sport Sedan Problems
- 💰 The Market and Sister Uniflite Boat Models
- Uniflite 36 Double Cabin Price
- Other Key Uniflite Boat Models
- ❓ 5 Frequently Asked Questions (FAQs) About the Uniflite 36
- 1. What does the “Double Cabin” designation on the Uniflite 36 Double Cabin mean?
- 2. Is the blistering issue on Uniflite hulls structural or cosmetic?
- 3. Are the Uniflite 36 models better with gas or diesel engines?
- 4. Which Uniflite boat Models succeeded the 36 Double Cabin?
- 5. Where are most Uniflite 36 Double Cabin boats for sale today?
The Uniflite 36 series also included the Sport Sedan and the Tri-Cabin, but the Double Cabin model is perhaps the most recognized, thanks to its full-width aft master stateroom and two-stateroom/two-head layout.1 This article explores the boat’s design, common problems, market presence, and the legacy it shares with other key Uniflite boat Models like the Uniflite 34, Uniflite 38, and Uniflite 28.
⚓ The Legacy of Uniflite: Rugged Construction
Uniflite, based in Bellingham, Washington, gained a reputation for building tough, high-quality fiberglass boats.2 Their notable history includes building River Patrol Boats (PBRs) for the U.S. Navy, which speaks volumes about the required durability of their construction.3
The Fire-Retardant Resin Factor
Uniflite was the only boat builder of its time to exclusively use fire-retardant resins in the construction of its pleasure boats.4 While this was a major safety advantage, boats built after August 1974 faced a well-known issue: cosmetic blistering.5
It is a unique fact of Uniflite history that the infamous blister problem, which often arises in discussions about Uniflites, is generally considered cosmetic and does not compromise the structural integrity of the hull, unlike blistering in some other boats.
📐 Uniflite 36 Double Cabin Specifications
The Uniflite 36 Double Cabin was built on a modified-V planing hull, offering a comfortable blend of speed and stability.6
| Specification | Detail (Typical 1970s/Early 80s Model) |
| LOA (Length Over All) | $36 text{ ft } 0 text{ in } (10.97 text{ m})$ |
| Beam (Width) | $12 text{ ft } 4 text{ in } (3.76 text{ m})$ |
| Draft | $3 text{ ft } 0 text{ in } text{ to } 3 text{ ft } 6 text{ in } (0.91 text{ m } text{ to } 1.07 text{ m})$ |
| Dry Weight / Displacement | $approx 20,000 text{ lbs } (9,072 text{ kg})$ |
| Fuel Capacity | $approx 240 text{ Gallons}$ (Gas) or $300 text{ Gallons}$ (Diesel) |
| Accommodations | Two separate cabins, two heads (Aft Master, Forward Guest) |
| Power | Twin Gas (e.g., Crusader 454s) or Twin Diesel (e.g., Detroit Diesel, Cummins) |
Performance and Engines
The majority of Uniflite 36 Double Cabin models were sold with twin gasoline engines, typically $350 text{ HP}$ Chevy/Crusader 454s. This configuration allowed for cruising speeds in the 7$16 text{ to } 18 text{ knot}$ range with a top speed approaching 8$30 text{ knots}$.9 Later in production, the 36 II version was introduced with a lighter cored hull and smaller gas engines that achieved similar performance.10
For boats with diesel engines, the cruise speed is often slower (around $14 text{ to } 16 text{ knots}$), but fuel economy is significantly better, making them excellent candidates for long-range cruising. Aquila 54 Yacht: An Overview

🛠️ Common Uniflite 36 and 1972 Uniflite 36 Sport Sedan Problems
While the solid fiberglass hull construction is generally excellent, older Uniflites have several well-documented issues that prospective buyers of a 1972 Uniflite 36 Sport Sedan or DC must be aware of:
- Hull Blistering (Post-1974 Models): Boats built after August 1974 are prone to a high density of small cosmetic blisters due to the fire-retardant resin. This is not structural, but a comprehensive barrier coat is required to fix the aesthetics.
- Deck and Cabin Top Leaks: Uniflites often utilized fiberglass-over-plywood construction for the deckhouses and cabin tops. Over time, leaks through window frames, hardware, and flybridge mounting points cause the underlying plywood to degrade (turn to “pulp”).
- Window Frame Leaks: Leaks around the original aluminum-framed windows are the primary source of water intrusion that damages the interior core structure. Replacement or thorough resealing is a necessity.
- Gas Engine Exhaust Systems: On gas-powered boats, constant vigilance is needed on the exhaust risers and manifolds. Saltwater intrusion here can quickly destroy an engine.
- Electrical Gremlins: Like many boats from the 70s and 80s, the original wiring can be aged and prone to minor issues, often requiring substantial replacement of panels and circuits. The Ultimate Guide to Finding Your Dream Bass Boat: Exploring Bass Boat Central Boats for Sale
💰 The Market and Sister Uniflite Boat Models
The Uniflite 36 Double Cabin is highly sought after as an affordable liveaboard or classic cruiser.
Uniflite 36 Double Cabin Price
The price for a Uniflite 36 Double Cabin varies dramatically based on maintenance history, engine condition, and the extent of recent refits:
- Project Boat: $25,000 – $40,000 USD (Likely gas engines, needs major cosmetic/system work, possible hull blistering).
- Ready-to-Cruise: $40,000 – $70,000 USD (Well-maintained gas or older diesel, updated interior/electronics, structurally sound).
- Fully Restored: $70,000+ USD (Often includes engine repower or major diesel overhaul, new electronics, and full cosmetic restoration).
Other Key Uniflite Boat Models
Uniflite was known for its consistent styling across its product line, offering a range of sizes to suit various needs:
- Uniflite 28: A highly popular entry-level flybridge cruiser and sedan, known for its strong hull and spacious interior for its size.
- Uniflite 34: Offered as a Sedan or Convertible, known for good speed and excellent fishing capabilities, often competing with Bertram models.
- Uniflite 38: A larger cruising platform, often featuring the Double Cabin or Convertible layout, offering greater luxury and range.
- Uniflite 42 / Uniflite 48: Larger double cabins and sportfishers that epitomized the brand’s quality for high-end cruisers and liveaboards.