News & Blogs

Why potable water systems on yachts develop recurring water quality problems

When a guest disembarks, the cabin is cleaned and prepared for the next arrival. When an engineering fault is repaired, the maintenance task is closed. When a positive bacterial result is remediated, many owners, captains, and crew naturally assume the problem has...

PYA Webinar & Info Pack – Fresh Water Safety on Yachts

This webinar was hosted on June 10th 2026 by the PYA. The discussion, held by two water safety and regulatory experts, dove into the common bacteria found in the water systems of vessels, the problems these bacteria can cause to health and the vessel's operations and...

Moving Beyond Traditional Yacht Water Disinfection

For many years, chlorine, silver, and copper/silver ionization systems have been the default choice for potable water disinfection onboard yachts. However, across both commercial and private vessels, this is changing. An increasing number of yachts are moving towards...

Why Winter Increases Microbial Risk in Yacht Potable Water Systems

Winter operations, whether low-season chartering, lay-up, reduced crew, or extended marina stays, drastically change how onboard water systems are used. Lower occupancy, closed guest areas, and irregular flushing create long water age throughout the yacht’s...

Biofilm Awareness Week at Octo Marine

Biofilm Awareness Week is an important reminder that one of the most significant threats to a vessel’s water system is also one of the least visible. Biofilm forms the underlying structure that enables Legionella, Pseudomonas, and other waterborne pathogens to...

Saving 4 Million Plastic Bottles a Year – A Win for Sustainable Yachting

At Octo Marine, we are proud to celebrate an incredible milestone for our #ThinkOutsideTheBottle campaign – saving an estimated 4 million plastic water bottles every year. For years, we’ve encouraged yachts to install our Slimline Drinking Water Filtration System on...

Water Treatment for Yachts in Mallorca: What Every Captain Should Know in 2025

Why Water Matters More Than Ever in Mallorca Mallorca remains one of the Mediterranean’s busiest yachting hubs, with world-class shipyards like STP and Astilleros de Mallorca, vibrant charter activity, and yachts wintering or refitting in Palma each season. But with...

Sustainable Yachting: How Crew on Larger Yachts Can Optimise Water Use

The Importance of Eco-Friendly Boating Practices on Superyachts Yachting offers a unique opportunity to explore the world’s most breathtaking waters, but with this privilege comes responsibility. As environmental awareness grows, so does the need for eco-friendly...

Ensuring Crew & Guest Safety with Effective Yacht Water Treatment

Maintaining a clean and safe fresh water supply onboard is crucial for the well-being of both crew and guests. The right sterilisation system for a yacht must be carefully selected, properly maintained, and consistently monitored to prevent waterborne health risks and...

Eco-Friendly Yachting: The Role of Verified Sustainable Solutions by Water Revolution Foundation

The world of yachting is synonymous with luxury, adventure, and innovation. Yet, as the industry evolves, there’s a growing responsibility to ensure its practices align with global sustainability goals. From protecting pristine marine ecosystems to reducing carbon...

Yacht Water Filtration: Choosing the Right Filters for Clean Water

Jun 25, 2024

Ensuring the supply of clean and safe water onboard a yacht is crucial for the health and comfort of all passengers and crew. Yacht water filtration systems play a pivotal role in maintaining water quality, and understanding the best practices for selecting and...

Yacht Water Treatment – What Chemicals Should You Keep Onboard?

Jun 14, 2024

Importance of Yacht Water Treatment Water Treatment on Yachts is critical due to the limited access to fresh water sources and the need to store water for extended periods while onboard. The process involves various stages: from filtration, purification, and...

Safe Bunkering Procedures: Ensuring Water Safety and Quality Onboard Your Yacht

May 24, 2024

Ensuring a reliable supply of clean water is essential for any yachting experience. Bunkering water on a yacht is a critical procedure that requires meticulous attention to ensure the safety and quality of the water being transferred onboard. This process involves...

Understanding the Impact of Bad Water Quality on Superyacht Systems

May 6, 2024

Water quality aboard superyachts is more than a matter of health and hygiene—it directly affects the performance and longevity of critical onboard systems. From engine cooling systems to plumbing and safety equipment, the detrimental effects of hard water can lead to...

Seasonal Rejuvenation: Elevating Your Yacht’s Spa Amenities

Apr 25, 2024

As we edge close to the beginning of the Summer Season for Superyachts in the Med, this time of year brings with it one of the many pre-season tasks: preparing the onboard spa facilities. This includes the array of pools, jacuzzis, saunas, and steam rooms, ensuring...

All You Need to Know About Water Test Kits Onboard Superyachts

Apr 5, 2024

Although professional laboratory water testing is an essential component in controlling the safety of the water quality onboard and should be carried out on a regular basis as detailed in the vessel’s water safety plan, onboard water testing kits allow crew to conduct...

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