Cushions

Marine Safety Cushions: Your On-Water Lifeline

A throwable flotation cushion is one of the most important pieces of safety equipment you can keep aboard any watercraft. Whether you're a weekend angler, a liveaboard sailor, or a casual pontoon boater, U.S. Coast Guard regulations require most motorized vessels to carry at least one Type IV throwable device — and a foam boat cushion is the most practical and versatile way to meet that requirement. But beyond legal compliance, these cushions can quite literally save a life.

What Is a Type IV Throwable Cushion?

Unlike wearable life jackets (Types I–III), a Type IV throwable device is designed to be tossed to a conscious person in the water who can then hold on until rescued. Marine safety cushions serve this dual purpose elegantly: they provide comfortable seating during normal use and immediately transform into a rescue aid in an emergency. Most feature webbing grab straps that make them easy to throw accurately and give the person in the water something solid to grip.

Key construction features to look for include:

• Buoyant PE foam core — lightweight yet provides reliable flotation
• Nylon oxford or ripstop outer shell — resists abrasion, UV exposure, and moisture
• Webbing grab straps — aid in throwing during rescue and double as carry handles
• USCG Type IV approval — mandatory for legal on-water use as a throwable PFD

Who Makes the Best Marine Safety Cushions?

Kent Sporting Goods is widely recognized as one of the most trusted names in marine safety. Founded in 1957, Kent has grown into the world's largest life jacket manufacturer, with USCG and Transport Canada certifications across their product lines. Their throwable foam cushions feature heavy-duty fabric covers over multiple layers of buoyant foam, with polyethylene straps designed for reliable rescue deployment.

Onyx Outdoors offers USCG-approved Type IV throwable cushions built with durable nylon construction and lightweight PE flotation foam. Available in a range of colors and styles, Onyx cushions are a popular choice for boaters who want a straightforward, reliable throwable device that is easy to stow and quick to deploy.

Seachoice rounds out the category with a broad selection of throwable cushions that meet USCG Type IV requirements and come in a variety of colors — including red, blue, yellow, white, and camo — making it easy to find the right cushion for any vessel or personal preference.

Springfield Marine brings its reputation for quality marine seating and accessories to this category, while Lewmar, a well-known name in marine hardware and deck equipment, also offers cushion options for boaters seeking premium build quality.

What to Consider When Shopping

When selecting a marine safety cushion, always confirm the product carries USCG Type IV approval — this is non-negotiable for legal use aboard motorized vessels. Consider the shell material (nylon oxford and ripstop fabrics offer the best durability in harsh marine environments), strap quality, and foam density. Bright colors like red, yellow, and orange are easiest to spot in the water during an emergency. If you spend time in low-light or dawn/dusk conditions, look for high-visibility options. Storing your cushion in an accessible location — not buried under gear — is just as important as the cushion itself.