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Witness 35
Designer: Lock Crowther  ·  Builder: Witness Catamarans  ·  First built: 1981
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About the Witness 35

Designed as a capable and versatile cruising yacht, the Witness 35 offers sailors a well-balanced platform suited to both coastal passages and more ambitious offshore adventures. Built with comfort and practicality in mind, this 35-foot sailboat appeals to those seeking a reliable vessel that can handle varied conditions without sacrificing livability below decks. While detailed specifications for the Witness 35 are limited in available records, boats of this class and era typically reflect the cruising priorities of their time — sturdy construction, manageable sail plans, and accommodations suited to extended passages with a small crew or family aboard. The Witness 35 sits in a sweet spot of the market, offering enough size for genuine offshore capability while remaining approachable for shorthanded sailing. For prospective buyers, the relative scarcity of published data makes hands-on inspection and consultation with current or former owners especially valuable. Tracking down original documentation or class-specific resources will help paint a fuller picture. As always with less-documented designs, a thorough survey is strongly recommended before purchase to assess structural integrity and overall condition.

Core Dimensions
LOA (Length Overall) 34.67 ft / 10.57 m
LWL (Waterline Length) 30.25 ft / 9.22 m
Beam 17.00 ft / 5.18 m
Min Draft 2.16 ft / 0.66 m
Displacement 11,500.00 lb / 5,216 kg
Sail Area (Reported) 625.00 ft² / 58.06 m²
Design & Construction
Hull Type Catamaran Twin Cbrd.
Rigging Type Masthead Sloop
Construction FG
Designer Lock Crowther
Builder Witness Catamarans
First Built 1981
Owner Reviews

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Known Issues & What to Watch For

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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
19.7
How It Compares

vs. Adams 106, Allmand 35, Freedom 33, Freedom 35 Cat Ketch, Pdq 34

This boat Similar boats
Dimensions
LOA
Witness 35 ★
34.7 ft
Adams 106
34.8 ft
Allmand 35
34.8 ft
Freedom 33
34.8 ft
Freedom 35 Cat Ketch
34.8 ft
Pdq 34
34.7 ft
LWL
Witness 35 ★
30.3 ft
Adams 106
33.1 ft
Allmand 35
28.2 ft
Freedom 33
30.0 ft
Freedom 35 Cat Ketch
30.0 ft
Pdq 34
32.6 ft
Beam
Witness 35 ★
17.0 ft
Adams 106
9.1 ft
Allmand 35
11.7 ft
Freedom 33
11.0 ft
Freedom 35 Cat Ketch
11.0 ft
Pdq 34
18.3 ft
Displacement
Witness 35 ★
11 lbs
Adams 106
6 lbs
Allmand 35
15 lbs
Freedom 33
12 lbs
Freedom 35 Cat Ketch
12 lbs
Pdq 34
8 lbs
Ballast
Witness 35 ★
Adams 106
4 lbs
Allmand 35
4 lbs
Freedom 33
3 lbs
Freedom 35 Cat Ketch
Pdq 34
Sail Area
Witness 35 ★
625 sq ft
Adams 106
531 sq ft
Allmand 35
Freedom 33
516 sq ft
Freedom 35 Cat Ketch
576 sq ft
Pdq 34
Performance
PHRF Rating (lower = faster)
Witness 35 ★
Adams 106
Allmand 35
156 s/nm
Freedom 33
141 s/nm
Freedom 35 Cat Ketch
Pdq 34
SA / Displacement (higher = more powerful)
Witness 35 ★
19.7
Adams 106
23.9
Allmand 35
Freedom 33
15.8
Freedom 35 Cat Ketch
17.6
Pdq 34
Ballast / Disp (higher = stiffer)
Witness 35 ★
Adams 106
60.2 %
Allmand 35
28.5 %
Freedom 33
31.7 %
Freedom 35 Cat Ketch
Pdq 34
Comfort Ratio (higher = more comfortable offshore)
Witness 35 ★
Adams 106
16.2
Allmand 35
Freedom 33
24.2
Freedom 35 Cat Ketch
24.2
Pdq 34
7.7
Capsize Screening (lower = safer)
Witness 35 ★
Adams 106
1.94
Allmand 35
Freedom 33
1.93
Freedom 35 Cat Ketch
1.93
Pdq 34
3.66
Displacement / Length (lower = lighter)
Witness 35 ★
Adams 106
82
Allmand 35
301
Freedom 33
198
Freedom 35 Cat Ketch
198
Pdq 34
Hull Speed
Witness 35 ★
Adams 106
7.7 kts
Allmand 35
Freedom 33
7.3 kts
Freedom 35 Cat Ketch
7.3 kts
Pdq 34
7.7 kts
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