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Marlin Open Water Swimming Range

Here at Northern Diver, we not only specialise in all things diving - we also have a passion for open-water swimming and supplying our customers with the best quality kit to enhance their time in the water. Whether you are swimming in a lake, river, pond or the sea, we’ve carefully created our Marlin open-water swimming range to include the best and most important equipment needed to maximise your performance, safety, comfort, and enjoyment. From our new Triathlon suit and handy tow float to our changing robe and super-stretch neoprene gloves, investing in a few essential pieces of kit will have a highly positive impact on your experience and performance.

Shop open water wetsuits, gloves, water socks and more

Our Entire Range Includes . . .

  • Triathlon wetsuit
  • Changing robe
  • Highly visible swimming cap
  • Swim goggles
  • Tow float (coming soon)
  • Wildwater swim gloves
  • Neoprene water socks
  • Wet boots
  • Storage bag


Our History . . .

Although we are predominately known for our vast range of divewear and diving equipment, designing and producing world-class wetsuits is steeped in our 45-year history.

The previous design of our Marlin Triathlon wetsuit was worn by top triathletes such as Faris Al Sultan (2005 Ford Ironman Kona World Champion), and Christof Wandratsch, who set the (then) world record for the fastest ever swim of the English Channel in 2005.

We are proud to have produced such high-calibre apparel, and you can expect even more from our new Triathlon suit and range of essentials.

Drawing from our wealth of experience and past success’, we have developed our kit even further, so you can be sure you are buying the best quality kit you need to maximise your pleasure and performance in the water.

100% customer service with your open water wetsuits and wildwater swi equipment

We Go Beyond The Norm . . .

We are not only here to offer advice and support when it comes to purchasing your open-water swimming kit, we are here for the life of your equipment and to ensure your ongoing satisfaction.

Based in Lancashire, we have a dedicated in-house team to tend to all your alteration, personalisation, and repair needs. Whether you would like your branding added to your kit or need a sizing alteration to achieve the perfect fit, we are here to make it happen quickly and conveniently for you.

Browse our entire Marlin range today and get the most out of your future open-water experiences.

Northern Divers Open Water Swimming Product Range