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2011 Custom Seastorm 10.5

Chatham, United Kingdom


Seastorm 10.5 2011 £79,950
This Seastorm 10.5 motor cruiser was built by Blackwater Motoryachts in 2011 to UK Coding standards, but not commissioned until 2012. It has a very good sea performance benefiting from a solid build structure and good stability.  The Seastorm 10.5 has wide side decks, high side rails and well positioned grab rails which provides good security to walk around the boat in even the roughest weather.  The Seastorm has good accommodation with four berths, galley and heads and could be used either by a family for weekend cruising or as a fast patrol or dive boat as it has a maximum speed of 36Knots and lots of storage space.  This vessel was commissioned on 17th May 2012 and launched to participate in the Queens Diamond Jubilee flotilla. It has approx. 200 hours on the engines. This vessel only requires safety equipment to be added to get her to UK Coding Standards for charter work. 

Viewing by appointment through our Chatham Office on +44 (0)1634 571605

Basic Boat Info

Price: £79,950
Boat Name: Sea Quest
Make: Custom
Model: Seastorm 10.5
Year: 2011
Condition: Used
Category: Power
Builder: Blackwater Motoryachts
Designer: Bennett/Moxham
Construction: Fiberglass


Length: 35 ft
Length Overall: 35 ft
Beam: 10 ft
Max Draft: 4 ft
Electrical Circuit: 240 V
Single Berths: 2
Double Berths: 1
Cabins Count: 2

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Yamaha
  • Model: ME422
  • Drive Type: Stern
  • Fuel: Diesel
  • Engine Power: 245hp
  • Type: Inboard
  • Year: 2010
  • Engine Hours: 200
Engine #2 Specs:
  • Make: Yamaha
  • Model: ME422
  • Drive Type: Stern
  • Fuel: Diesel
  • Engine Power: 245hp
  • Type: Inboard
  • Year: 2010
  • Engine Hours: 200
Total Engine Power: 490hp
Cruising Speed: 25 kn
Maximum Speed: 36 kn


Fuel Tanks: 1
Fuel Tank Capacity: 800 L

This 35ft motor cruiser has a large aft and forward cockpit with a number storage lockers. Access to the twin engines is via the aft cockpit.  The wide side walkways give access to the starboard wheelhouse door which leads into a good size wheel house with a large L shaped settee and helm position. The wheelhouse has large windows giving an around view. It has a small galley with single sink with hot & cold water, twin burner gas hob, 12 V fridge and storage space. 

The Seastorm has 4 berths, a double berth under the wheelhouse which has a teak floor, a single in the forward cabin and a single berth on the port settee.  Behind the helm position is a reasonable sized heads with single sink, marine toilet and shower with hot and cold water. There is a lot of storage space throughout the boat.

The large windows in the wheelhouse, forward cabin and heads give the boat a really light and airy feel.

Mechanical Systems

Located in the centre of the aft cockpit are 2 x six cylinder Yamaha ME422 turbo diesel engines each 245HP (circa 2010) which are in immaculate condition. The engines have approximately 200 hours and were last serviced in 2012 and have been hardly used since. The engines are coupled by TRP hydradrives. Sea water cooled. Dual lever controls with electric start. Sterndrives to 3 bladed bronze props.  Twin fuel tanks holding a total of 800 litres.  The vessel will cruise at 25 knots and has a maximum speed of 36 knots. The boat is also fitted with a Vetus through hull bowthruster.

Electrical Systems

4 x 12v batteries (new 2011) charging from alternator and battery charger via 240V shore power system.


Deck Equipment
  • 1 x Bruce anchor with 5m chain and 30m warp
  • 4 x Mooring warps
  • 6 x Fenders
Navigation Equipment
  • VHF - Icom M421 DSC
  • Navigation Lights
  • Anchor Light
Safety Equipment
  • 3 x Fire Extinguishers
  • Fire Blanket
  • Radar reflector
  • First Aid Kit
  • 2 x Lifebuoy
  • 1 x Manual bilge pump
  • 3 x Electric bilge pumps

Fast V shape semi displacement hull


This Seastorm 10.5 was built by Blackwater Motoryachts in 2011. It has a blue GRP deep V shape  hull with white GRP superstructure. This vessel was commissioned on 17th May 2012 and launched to participate in the Queens Diamond Jubilee flotilla. Antifouled 2014.

Boat Insurance

As one the UK’s largest Brokers with over 330 boats for sale we are able to introduce you to Boat Insurance providers that offer all types of Boat Insurance including insurance for Yachts, Sailing Boats, Motor Cruisers, Narrowboats, Inland Waterway Craft, Barges, Houseboats, Speedboats, Rigid Inflatable Boats, Waterski Boats, Jet Skis, Personal Watercraft, Dinghies, Fishing Boats, Commercial Boats, Boats in Build or Refit.

Just call us to request an insurance quote for this boat or your current boat.

RYA Training

Clarke & Carter Kent, through its strategic alliance with Elite Sailing, an RYA recognised training centre, can offer Professional and Leisure qualifications at every level from beginners’ to very experienced for both sail or power. This includes from RYA Start Yachting, Start Motor Boating Helmsman and Competent Crew, Day Skipper to RYA Yachtmaster qualifications giving you a chance to begin, improve or broaden your knowledge and boat handling skills on its fleet of Jeanneau Yachts and Swift Trawler 42.

Elite Sailing are also able to offer RYA DSC VHF Radio, First Aid, and Diesel Maintenance courses as well as one to one own boat tuition. Please call Elite Sailing on 01634 890512 to discuss your specific training needs. Please quote promotional code CCK1 when calling to receive details of their exclusive offers to Clarke & Carter Customers.   


The company normally acts as broker for the vendor who unless otherwise stated is not selling in the course of a business. Whilst every care has been taken in the preparation of these particulars the correctness is not guaranteed and they are intended as a guide only and do not constitute a part of any contract. A prospective buyer is strongly advised to check these particulars and where appropriate and at his own expense to employ a qualified marine surveyor to carry out a survey and/or to have an engine trial conducted which if conducted by us shall not imply any liability on our part.

Disclaimer This calculator is intended solely for general informational purposes, and to provide a rough estimate based on the information you provide. You should not base your decision on this estimate alone.