FOR SALE – Seawind 850 Catamaran

One Crowded Hour | Carnarvon, WA

If you’ve been looking for an affordable cruising catamaran with genuine upgrades already done, One Crowded Hour is worth a close look.

This Seawind 850 is set up for coastal cruising and liveaboard use, with key items already replaced or upgraded — including new mainsail, new winches, near-new engines and a Rainman watermaker.

We’re only selling as we’re upgrading to a larger boat.

Current price reflects works still underway and will increase as they’re completed.

Key Features

Easily sailed short-handed
Furling headsail & stack-pack main with lazy jacks
Cruises comfortably at 6.5–8 knots
Engines only 2 years old
Rainman petrol watermaker (~$10k value)
Starlink installed
Strong liveaboard potential

Specifications

Length: 8.5m (28ft)
Beam: 5.67m
Draft: 0.84m
Keels: Fixed mini keels
Displacement: 2,177kg

Sail Inventory

Barracuda mainsail – NEW (May 2025)
Furling Barracuda headsail
Asymmetric spinnaker
New boom bag

Deck Gear

2 × Hutton 40ST 2-speed self-tailing winches – NEW (May 2024)

Tender & Outboard

2.5m Sirocco inflatable
Yamaha 10hp 4-stroke (2023)

Electronics & Navigation

Raymarine Autopilot
B&G Vulcan 7 chartplotter (SailSteer & ForwardScan)
Raymarine wind instrument
AIS
VHF radio

Electrical & Power

12V system
2 × house batteries
1 × engine battery
Solar panels on davits + auxiliary panel
Wind generator
Enerdrive charger & inverter
Portable generator

Fuel & Water

2 × 40L stainless fuel tanks
Approx. 200L water capacity

Condition Overview

Strengths

Well equipped for cruising
Major sail upgrades completed
Watermaker included
Engines near-new

Works Remaining

Mast foot replacement required
Interior painting partly complete
Windows need resealing
Bridgedeck requires attention

Location: Carnarvon, WA (currently on hardstand)
Price: Once-off opportunity — will rise as works continue

This is a practical WA cruising platform with the expensive gear already onboard. Finish the remaining jobs and you’ll have a capable coastal catamaran ready for Shark Bay, Dirk Hartog or extended liveaboard use.