Smart little centre cockpit weekender offering four-berth accommodation in two separate cabins.

Key Features

  • Antifouled 2022
  • Engine Serviced 2022
  • Original Gel
  • Centre Cockpit

About this Boat

This smart weekend cruiser would be ideal for first-time boaters. It is equipped with the basics for comfortably cruising the Inland waterways and is still in its original gel coat.

Centre cockpit cruiser with a Mercury 18hp outboard engine (serviced June 2022).

The cockpit is spacious with a comfortable helm position, a full canopy covers the cockpit and offers good headroom whilst cruising in wetter weather.

There is a separate aft cabin with twin single berths and access to the outboard engine.

Inside the cosy open plan cabin, there is a V-berth going forward in the saloon and there is a separate toilet compartment with a porta potti chemical toilet.

The galley is equipped with a cold water sink and a full-sized hob grill/oven.

‘Seahorse’ has just had a fresh coat of anti foul and a new BSSC will be supplied.


Waterside Marine Sales LLP normally act as Broker for the Vendor who unless otherwise stated, is not selling in the course of 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 part of any contract.

A prospective buyer is strongly advised to check these particulars and to have at his/her own expense a survey carried out by a qualified surveyor to check the condition and description of the boat thoroughly prior to completing the purchase.

Deposits paid prior to the survey taking place, are non-refundable, except for when the surveyor discovers a severe material defect.

Waterside Marine Sales LLP cannot be held responsible for any fault that is found with a boat after it has been purchased.

A buyer may have redress to his or her surveyor, if the fault that is found was missed when the survey was carried out.


Name Foster 21 - Seahorse
Manufacturer Foster
Model 21
Year Built 1989
Engine Mercury
Construction GRP
Drive Outboard
Fuel Type Petrol
Berths 4
Length 21ft
Beam 7ft
Air Draft 6ft 5"
Draft 2ft

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Here’s what our customers say…

“From boat's arrival at the sales dock to being sold for the full asking price - less than 24 hours! We felt that Alex's estimate was on the high side but he nailed it! Many thanks also to Lynne who kept us up to date with proceedings + seamlessly processed the paperwork. Many thanks. ”


“Good service from two dedicated staff Lynne and Alex both helped us through the boat sale and kept us informed of offers etc.”

Mr and Mrs Banks

“Lynne and Alex have been brilliant throughout my time at Waterside, they were honest and helpful during the purchase, during the lockdown they were thoughtful in the care of my boat while I was ill, and were on top of things throughout the sale. I couldn't recommend them more highly. ”


“Very helpful and considerate, excellent quick sale and good communication throughout. ”


“We have been delighted with the friendly service from Waterside Marine, both on the purchase and sale of our boat.”

Mr and Mrs Leggett

“Alex and Lynne were very helpful at every stage of selling our craft and buying a new one, a very professional service affording a quick sale and happy Customers all round, well done and thank you.”

Mr Ward

“Lynne and Alex, many thanks for a smooth and speedy sale, excellent work, it was a pleasure dealing with you.”

K Bacon

“Thanks for a prompt and efficient service to facilitate an early sale, the photos on the web site were excellent. ”


“Thank you for the quick sale Lynne and Alex, photos were on the internet straight away and boat was sold within the week. Always very helpful whatever the request. ”

P Curtin

“A very efficient and helpful service from both Lynne and Alex. Our boat was on the website within 24 hours and sold within the next 24 hours. All the paperwork completed and funds transferred quickly, thanks Lynne.”

Trevor and Sue Hale