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Prospect 900
Designer: E. G. Van De Stadt  ·  Builder: Rydgeway Marine Ltd. (Uk)  ·  First built: 1975
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About the Prospect 900

Designed as a capable and versatile cruising sailboat, the Prospect 900 offers a solid platform for sailors looking to explore coastal waters and beyond. While detailed specifications for this model remain limited in available records, the Prospect 900 carries a reputation as a practical bluewater-oriented design suited to those who prioritize reliability and comfortable passage-making over outright racing performance. Like many cruising boats of its era, the Prospect 900 was built with an emphasis on seaworthiness and manageable handling, making it an appealing choice for short-handed sailors or couples looking to extend their range offshore. Its proportions suggest a boat that balances interior liveability with deck functionality, a hallmark of cruiser designs intended for longer passages. For buyers researching this model, tracking down original builder documentation or connecting with class owners and sailing communities is highly recommended, as firsthand accounts often reveal the most accurate picture of a boat's true character and condition. The Prospect 900 may suit sailors seeking an entry point into offshore cruising with a no-nonsense, capable hull beneath them.

Core Dimensions
LOA (Length Overall) 28.83 ft / 8.79 m
LWL (Waterline Length) 22.42 ft / 6.83 m
Beam 9.17 ft / 2.80 m
Max Draft 4.92 ft / 1.50 m
Displacement 7,275.00 lb / 3,300 kg
Ballast 3,086.00 lb / 1,400 kg
Ballast Type Iron
Design & Construction
Hull Type Lifting Keel
Rigging Type Masthead Sloop
Construction FG
Designer E. G. Van de Stadt
Builder Rydgeway Marine Ltd. (UK)
First Built 1975
Owner Reviews

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Known Issues & What to Watch For

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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
42.42
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
288.19
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 4.41 pounds/inch
Rig Dimensions
I (Foretriangle Height) 12.44
P (Mainsail Luff) 291.00 ft² / 27.03 m²
E (Mainsail Foot) Volvo
Engine & Accommodations
Horsepower 8
Fuel Capacity 10 gals / 38 L
Water Capacity 35 gals / 132 L
How It Compares

vs. Contest 29, Lancer 29 3, Seafarer 29

This boat Similar boats
Dimensions
LOA
Prospect 900 ★
28.8 ft
Contest 29
29.0 ft
Lancer 29 3
28.7 ft
Seafarer 29
28.7 ft
LWL
Prospect 900 ★
22.4 ft
Contest 29
24.0 ft
Lancer 29 3
23.5 ft
Seafarer 29
21.3 ft
Beam
Prospect 900 ★
9.2 ft
Contest 29
8.3 ft
Lancer 29 3
10.0 ft
Seafarer 29
9.0 ft
Displacement
Prospect 900 ★
7 lbs
Contest 29
8 lbs
Lancer 29 3
7 lbs
Seafarer 29
6 lbs
Ballast
Prospect 900 ★
3 lbs
Contest 29
3 lbs
Lancer 29 3
3 lbs
Seafarer 29
2 lbs
Sail Area
Prospect 900 ★
Contest 29
Lancer 29 3
374 sq ft
Seafarer 29
357 sq ft
Performance
PHRF Rating (lower = faster)
Prospect 900 ★
Contest 29
234 s/nm
Lancer 29 3
194 s/nm
Seafarer 29
210 s/nm
SA / Displacement (higher = more powerful)
Prospect 900 ★
Contest 29
6.9
Lancer 29 3
15.3
Seafarer 29
16.3
Ballast / Disp (higher = stiffer)
Prospect 900 ★
42.4 %
Contest 29
38.8 %
Lancer 29 3
38.5 %
Seafarer 29
Comfort Ratio (higher = more comfortable offshore)
Prospect 900 ★
Contest 29
Lancer 29 3
22.4
Seafarer 29
23.3
Capsize Screening (lower = safer)
Prospect 900 ★
Contest 29
Lancer 29 3
2.02
Seafarer 29
1.92
Displacement / Length (lower = lighter)
Prospect 900 ★
288
Contest 29
274
Lancer 29 3
268
Seafarer 29
Hull Speed
Prospect 900 ★
Contest 29
Lancer 29 3
6.5 kts
Seafarer 29
6.2 kts
Speed Number (higher = faster)
Prospect 900 ★
Contest 29
Lancer 29 3
1.9
Seafarer 29
1.6
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