Back to Search
Dean 365
Designer: Peter Dean  ·  Builder: Dean Catamarans  ·  First built: 1990
+ Add to Compare
About the Dean 365

Finding comprehensive information about the Dean 365 can prove challenging, as this sailboat operates somewhat under the radar in today's market despite having established itself among knowledgeable sailors. This vessel represents a design philosophy focused on practical sailing performance rather than flashy marketing appeal. Built with traditional construction methods, the Dean 365 demonstrates the kind of solid craftsmanship that serious cruising sailors appreciate. Her moderate displacement hull form suggests comfortable motion at sea while maintaining respectable sailing performance across various wind conditions. The cockpit layout prioritizes functionality over luxury, making her well-suited for both coastal exploration and extended cruising adventures. What sets this boat apart is her reputation for seaworthiness and reliability rather than cutting-edge innovation. Owners frequently praise her predictable handling characteristics and ability to maintain course in challenging conditions. The interior arrangement maximizes livability within her footprint, though accommodations lean toward the practical rather than opulent. For sailors seeking a dependable cruising platform without the premium pricing of more mainstream brands, the Dean 365 offers compelling value. She appeals particularly to those who prioritize sailing capability and build quality over modern amenities and designer touches.

Core Dimensions
LOA (Length Overall) 36.75 ft / 11.20 m
LWL (Waterline Length) 35.10 ft / 10.70 m
Beam 17.72 ft / 5.40 m
Max Draft 2.62 ft / 0.80 m
Displacement 12,346.00 lb / 5,600 kg
Sail Area (Reported) 667.36 ft² / 62.00 m²
Headroom 6.23 ft / 1.90 m
Design & Construction
Hull Type Catamaran Twin Keel
Rigging Type Cutter
Construction FG
Designer Peter Dean
Builder Dean Catamarans
First Built 1990
Last Built 1996
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
20.06
How It Compares

vs. Com Pac 35, Najad 361, Swan 36 2

This boat Similar boats
Dimensions
LOA
Dean 365 ★
36.8 ft
Com Pac 35
36.8 ft
Najad 361
36.7 ft
Swan 36 2
36.6 ft
LWL
Dean 365 ★
35.1 ft
Com Pac 35
29.0 ft
Najad 361
30.4 ft
Swan 36 2
29.7 ft
Beam
Dean 365 ★
17.7 ft
Com Pac 35
11.8 ft
Najad 361
11.5 ft
Swan 36 2
12.0 ft
Displacement
Dean 365 ★
12 lbs
Com Pac 35
12 lbs
Najad 361
16 lbs
Swan 36 2
14 lbs
Ballast
Dean 365 ★
Com Pac 35
5 lbs
Najad 361
7 lbs
Swan 36 2
5 lbs
Sail Area
Dean 365 ★
667 sq ft
Com Pac 35
570 sq ft
Najad 361
Swan 36 2
624 sq ft
Performance
SA / Displacement (higher = more powerful)
Dean 365 ★
20.1
Com Pac 35
17.0
Najad 361
Swan 36 2
16.7
Ballast / Disp (higher = stiffer)
Dean 365 ★
Com Pac 35
45.6 %
Najad 361
42.7 %
Swan 36 2
37.9 %
Comfort Ratio (higher = more comfortable offshore)
Dean 365 ★
Com Pac 35
23.0
Najad 361
Swan 36 2
26.3
Capsize Screening (lower = safer)
Dean 365 ★
Com Pac 35
2.04
Najad 361
Swan 36 2
1.96
Displacement / Length (lower = lighter)
Dean 365 ★
Com Pac 35
228
Najad 361
264
Swan 36 2
251
Hull Speed
Dean 365 ★
Com Pac 35
7.2 kts
Najad 361
Swan 36 2
7.3 kts
Speed Number (higher = faster)
Dean 365 ★
Com Pac 35
2.4
Najad 361
Swan 36 2
2.1
Find a Dean 365 For Sale