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Polyform MB250 Non-inflatable Mooring Buoy 920mm(H)x650mm(D)

$1,122.65

(inc VAT)

Out of Stock
  • Moor with Confidence
  • Trusted Marine Engineering
  • A Mooring Buoy You Can Rely On

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Order by 11am for Next Day UK Mainland Delivery

Polyform MB250 Mooring Buoy

Heavy-Duty Mooring Buoy for Maximum Strength & Long-Term Performance

The Polyform MB250 mooring buoy is a high-capacity, heavy-duty solution designed for demanding marine applications where strength and reliability are critical. As one of the largest options in the MB Series, this premium mooring buoy is ideal for commercial moorings, large vessels, and exposed environments.


Engineered for Heavy-Duty Mooring Applications

The MB Series is purpose-built for mooring buoys and surface installations, and the MB250 is specifically suited for:

  • Permanent and high-load moorings
  • Large leisure and commercial vessels
  • Marina and harbour installations
  • Marking of cables, pipelines, and fishing gear

These buoys are widely used across professional marine environments due to their strength and versatility .


Foam-Filled, Unsinkable Construction

The MB250 mooring buoy is rotomoulded from tough polyethylene and filled with polystyrene foam, creating a robust, unsinkable structure that maintains buoyancy even if the outer shell is damaged .

  • High-impact, abrasion-resistant outer shell
  • Foam-filled core for consistent buoyancy
  • Designed for continuous, long-term use

This construction ensures dependable performance in critical mooring setups.


Reinforced Steel Armature for Maximum Strength

Built for heavy loads, the MB250 features a hot-dip galvanised steel armature and swivel, providing:

  • Secure mooring attachment points
  • Corrosion resistance in saltwater
  • Strength under constant load and tension

This makes it a reliable choice for high-demand marine environments.


Key Features

  • Premium mooring buoy for heavy-duty applications
  • Foam-filled, unsinkable design
  • Durable polyethylene outer shell
  • Galvanised steel rod and swivel system
  • Suitable for mooring, marking, and marine installations
  • Trusted Polyform quality

Built for Harsh Marine Environments

The Polyform MB250 is engineered to perform in:

  • Saltwater and tidal conditions
  • Heavy weather and UV exposure
  • High-load, commercial mooring systems

It provides a long-lasting, low-maintenance solution where failure is not an option.


Why Choose the Polyform MB250 Mooring Buoy?

If you need a large, heavy-duty mooring buoy capable of handling serious loads, the MB250 delivers unmatched strength, durability, and reliability—making it a trusted choice for professional marine applications.

  • Weight: 26 KG

Our fenders (unless otherwise stated) are shipped deflated to save you money on shipping costs.

For next day deliveries, orders must be received before 11am.

Type

Courier

Price

UK Mainland (Large Letter 100g)

Royal Mail 24

£3.49

UK Mainland (Large Letter 100g)

Royal Mail 48

£2.95

UK Mainland NEXT DAY (0.1-10kg)

Royal Mail 24

£5.99

UK Mainland TWO DAY (0.1-10kg)

Royal Mail 48

£5.49

UK Mainland (10+ kg)

UPS

£8.99

UK Mainland Next Day (10+ KG)

UPS Standard

£12.99

View the full list of delivery rates here

Delivery Rates

Type

Courier

Price

UK Mainland (Large Letter 100g)

Royal Mail 24

£3.49

UK Mainland (Large Letter 100g)

Royal Mail 48

£2.95

UK Mainland NEXT DAY (0.1-10kg)

Royal Mail 24

£5.99

UK Mainland TWO DAY (0.1-10kg)

Royal Mail 48

£5.49

UK Mainland (10+ kg)

UPS

£8.99

UK Mainland Next Day (10+ KG)

UPS Standard

£12.99

Type

Courier

Price

UK Remote Area (Large Letter 100g)

Royal Mail 24

£3.49

UK Remote Area (Large Letter 100g)

Royal Mail 48

£2.95

UK Remote Area (0.1-10kg)

Royal Mail 24

£5.99

UK Remote Area (0.01-10kg)

Royal Mail 48

£5.49

UK Remote Areas (10-25 kg)

UPS Standard

£16.99

UK Remote Areas (25-50 kg)

UPS Standard

£19.99

Type

Courier

Price

Ireland, Germany, Belgium, Netherlands, France

UPS Standard (0-10kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£18.50
£19.99
£29.99

Austria, Denmark, Finland, Italy, Portugal Spain, Sweden, Czech Republic, Poland

UPS Standard (0-10kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£19.49
£20.99
£30.99

Channel Islands

UPS Standard (0-10kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£8.99
£23.99
£35.39

Andorra, Channel Islands, Liechtenstein Norway, San Marino, Switzerland, Bulgaria Croatia, Estonia, Hungary, Latvia, Lithuania Romania, Slovakia, Slovenia

UPS Standard (0-10kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£26.99
£29.99
£47.99

USA & Canada

UPS Standard (0-5kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£28.99
£44.99
£83.32

Singapore & Japan

UPS Standard (0-5kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£28.99
£44.99
£83.32

UAE

UPS Standard (0-5kg)
UPS Standard (10-25kg)
UPS Standard (25-50kg)

£59.99
£87.99
£159.99

Add Essentials

$22.98
$13.51
$6.70
Polyform Norway
World-leading fender design, trusted by professionals since 1955.
Innovation, strength, and performance in every Polyform fender.
Polyform Norway created the world’s first inflatable fender and continues to set the global standard. Built using patented POLYMATIQ® technology and reinforced rope holds, each fender delivers unmatched durability and protection for boats of all sizes.

Polyform Fenders & Buoys are shipped deflated to optimise space and reduce transport costs. You will find below our inflation video which highlights how to inflate using our special footpump adaptor and also a downloadable user guide.

NOTE: ADAPTORS ARE NOT REQUIRED BUT CAN BE PURCHASED HERE

Related Products

People are asking us

Absolutely. With years of hands-on experience, we can help customers choose the right size and type for their boat or operation. Whether you’re mooring a small leisure craft or outfitting a superyacht, we’ll make sure you get exactly what you nee
Our customers range from private boat owners to superyacht captains, harbour authorities, offshore crews, and commercial fleets. We work with both individual enthusiasts and major marine operations.
With over 17 years of experience, we know marine protection inside out. We don’t just sell products—we provide genuine advice based on real-world boating experience.

You can reach us by phone on +44 1543 279138 or email us at info@boatfendersdirect.co.uk. We’re available Monday to Friday (9:30 am–4 pm)

We offer next day and 2-4 days delivery option for UK mainland. Next day deliveries must be received before 12 noon and are for weekday only. Please allow 2-3 weeks for fender cover personalisation.

Yes—our support doesn’t end at checkout. If you have questions, need help with installation, or want to expand your fender setup, we’re here to advise. We’re proud to offer long-term, personal support, not just transactions.

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Polyform MB250 Non-inflatable Mooring Buoy 920mm(H)x650mm(D)

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