10 Saltwater-Safe Essentials for Your First Catamaran Cruise

Stepping onto a catamaran for your first multihull cruise brings an unmatched sense of freedom, but the marine environment is notoriously unforgiving to unprepared gear. Salt spray, intense sun, and constant motion will quickly ruin standard outdoor equipment not built for the ocean. Equipping yourself with the right saltwater-safe essentials ensures you stay safe, comfortable, and focused on the horizon rather than fighting failing gear.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

Preparing Your Gear for the Harsh Saltwater Environment

Saltwater is a relentless destroyer of gear, combining highly corrosive sodium chloride with intense UV exposure and physical abrasion. On a catamaran, which sits wider and often moves faster than traditional monohulls, wind-driven salt spray penetrates every nook of your equipment. Without marine-grade materials like high-grade stainless steel, anodized aluminum, and specialized polymer coatings, standard gear will fail within days.

Preparing for a cruise means understanding that “water-resistant” is not the same as “saltwater-safe.” Salt crystals recrystallize as they dry, acting like microscopic sandpaper on moving parts, zippers, and seals. Protecting your investment requires a proactive approach: selecting gear specifically engineered to withstand electrochemical corrosion and sealing out moisture at every opportunity.

Marine Binoculars – Steiner Navigator Pro 7×50

Navigating a catamaran requires keeping a sharp eye out for distant channel markers, shallow reefs, and other vessels. Standard land binoculars are useless on a boat because the natural motion of the water magnifies image shake, making it impossible to focus. Marine binoculars solve this by pairing a moderate magnification with large objective lenses to deliver a bright, stable image even in rolling swells.

The Steiner Navigator Pro 7×50 is the industry standard for recreational cruisers who need reliable, water-sealed optics. Its porro-prism design provides excellent depth perception, which is crucial when judging the distance of an approaching vessel or reef. Built with a Makrolon housing, this optic withstands impacts that would shatter lesser binoculars, and the nitrogen-pressurized system ensures they will never fog internally.

• 7x Magnification for stable viewing on moving water
• 50mm Objective Lenses for superior low-light performance
• Nitrogen-filled to prevent internal fogging down to 16 feet
• Sports-Auto-Focus system keeping images sharp from 20 yards to infinity

Before buying, be aware that these binoculars are bulky and require adjusting the diopter for each eye individually before the first use. Once set, however, you do not need to refocus them for varying distances. They are perfect for the designated watch-stander or navigator but are too heavy for casual users looking for a pocket-sized optic.

Dry Backpack – Sea to Summit Hydraulic Dry Pack

Whether you are riding in a wet dinghy to a secluded beach or sitting on the catamaran’s trampoline during a breezy sail, keeping your dry gear dry is a constant battle. Standard backpacks absorb water through the fabric and leak through the zippers, ruining electronics and spare clothes. A heavy-duty dry pack is non-negotiable for transporting gear between the catamaran and the shore.

The Sea to Summit Hydraulic Dry Pack is built like an absolute tank to withstand both puncture hazards and torrential downpours. Its heavy-duty fabric remains flexible in cold weather and resists UV degradation under the tropical sun. The removable harness system features open-mesh padding that allows water to drain and air to circulate, making shore excursions highly comfortable.

• 600D TPU double-laminated fabric resists punctures and UV rays
• Anodized aluminum buckles that won’t rust or crack in salt air
• Removable harness with mesh padding for comfortable shore excursions
• Available in 35L, 65L, 90L, and 120L capacities

Users should know that to achieve a true watertight seal, the roll-top closure must be folded tightly at least three times. Because the fabric is thick and rigid, this bag does not pack down as small as lightweight nylon dry sacks when empty. It is ideal for active cruisers hauling gear through rough surf, but overkill for those who plan to stay inside the cabin the entire trip.

Sailing Gloves – Gill Championship Sailing Gloves

Catamarans have massive sail areas, which means the sheets and halyards operate under high tension. Handing these lines without protection can cause severe rope burns, blisters, and pinched fingers in a matter of seconds. Sailing gloves provide the grip needed to control heavy lines while protecting your skin from friction.

The Gill Championship Sailing Gloves feature Dura-Grip fabric on the palms, providing exceptional grip without absorbing water. The material dries quickly, preventing that soggy, heavy feeling common with traditional leather gloves. The offset seams eliminate pressure points under load, allowing you to work winches and cleat lines comfortably for hours.

• Dura-Grip palm technology provides wet grip without absorbing water
• Offset finger seams to eliminate pressure points and wear spots
• 4-way stretch fabric across the back of the hand with UV 50+ protection
• Short-finger style to maintain dexterity for knot-tying and instrument use

Sizing is critical; gloves that are too tight will restrict circulation and make hands cold, while loose gloves will slip and cause blisters. These gloves will stiffen up slightly after drying out from saltwater, so a quick rinse in fresh water after use is recommended. They are essential for anyone actively participating in sailing operations, though passengers who only intend to relax on deck can pass on them.

VHF Marine Radio – Standard Horizon HX890

Communication is your most vital safety net when cruising away from cell tower range. A handheld VHF marine radio allows you to monitor weather alerts, communicate with bridge tenders, coordinate with marinas, and broadcast distress signals if an emergency arises. It is the single most important safety device to keep on your person while on deck.

The Standard Horizon HX890 is a rugged, floating handheld radio designed specifically for harsh marine conditions. It features built-in GPS and Digital Selective Calling (DSC), allowing you to transmit a distress signal containing your exact coordinates with the push of a single button. If dropped overboard, the radio floats face-up and activates a water-triggered strobe light so you can locate it easily in the dark.

• 6W Transmit Power for reliable long-range communication
• Built-in 66-channel GPS for precise location tracking during emergencies
• IPX8 Submersible rating (1.5 meters for 30 minutes)
• Integrated FM receiver and NOAA weather channels with alerts

To use the life-saving DSC distress features, you must register for a free Maritime Mobile Service Identity (MMSI) number and program it into the radio before your trip. Operating a VHF radio also requires basic knowledge of radio protocol and channel usage. This is a must-have for the skipper and any watch-standers, but is unnecessary for every single passenger to carry individually.

Sunglasses – Costa Del Mar Fantail PRO

The glare off the ocean surface is more than just annoying; it causes severe eye fatigue and can hide dangerous underwater obstructions like coral heads and sandbars. Standard fashion sunglasses lack the polarization needed to cut through this surface reflection. High-performance marine sunglasses are critical for both navigation and protecting your eyes from long-term UV damage.

The Costa Del Mar Fantail PRO features 580G light-wavelength polarized glass lenses that filter out harsh yellow light while enhancing reds, blues, and greens. The frames are made from bio-resin and feature eyewire drains and sweat channels to keep your vision clear in hot, humid conditions. Side shields and hooding block peripheral light, reducing the glare that bounces off the water and sneaks in behind your lenses.

• 580G Light-Wavelength Polarized Glass for unmatched glare reduction
• Hydrolite nose and temple pads that grip tighter the more you sweat
• Side shields and hooding to block peripheral glare and wind
• Ventilation ports to prevent fogging in humid climates

While glass lenses offer the absolute best clarity and scratch resistance, they can shatter if dropped onto a fiberglass deck. It is highly recommended to pair these glasses with a high-quality floating retainer strap. They are an essential investment for anyone spending long hours on deck, but are not necessary for those who plan to remain inside the saloon.

Marine Multi-Tool – Leatherman Charge Plus TTi

On a catamaran, things break, shackles bind, and lines need cutting at the most inconvenient moments. Running back and forth to the ship’s main toolbox wastes valuable time when a quick adjustment is needed on deck. Having a corrosion-resistant multi-tool on your belt ensures you can handle minor repairs immediately before they become major problems.

The Leatherman Charge Plus TTi stands out because of its titanium handle scales, which offer incredible strength and superior resistance to saltwater corrosion compared to standard steel tools. The main knife blade is crafted from premium S30V stainless steel, which holds a sharp edge far longer when cutting tough synthetic marine ropes. All tools lock into place when open, preventing accidental closures during heavy-duty tasks.

• Premium Titanium handles for reduced weight and superior corrosion resistance
• S30V Stainless Steel knife blade that retains its edge against synthetic ropes
• 19 built-in tools including needle-nose pliers, wire strippers, and bit driver
• All-locking features to prevent accidental closing during heavy-duty tasks

Even though this tool uses high-grade titanium and stainless steel, “stainless” does not mean “stain-proof” in a marine environment. It still requires regular fresh water rinses and occasional oiling to keep the pivot joints moving smoothly. This is an indispensable tool for the active sailor or boat owner, but is too heavy and complex for a casual guest.

Sailing Deck Shoes – Sperry Sea Kite Sport Moc

A catamaran’s gelcoat deck gets incredibly slick when wet, and falling on a boat can lead to serious injury. Standard sneakers slide easily on wet fiberglass and leave ugly black scuff marks that damage the boat’s finish. Proper deck shoes provide the traction needed to move confidently across the boat while protecting the vessel’s surfaces.

The Sperry Sea Kite Sport Moc features Adaptive Wave-Siping on the rubber outsoles, which disperses water underfoot to prevent hydroplaning on wet decks. The leather and mesh upper dries rapidly and resists salt damage, while the molded EVA midsole provides the support needed for long hours standing at the helm. Unlike traditional boat shoes, this sport moc offers athletic-shoe support and toe protection.

• Adaptive Wave-Siping on outsoles for exceptional grip on wet surfaces
• Non-marking rubber outsoles that won’t leave scuffs on catamaran decks
• Water-resistant leather and mesh uppers for quick-drying comfort
• Removable full-length compression molded EVA footbed for arch support

These shoes are designed specifically for wet fiberglass and lack the deep lugs required for muddy hiking trails ashore. Walking on gravel or dirt paths will wear down the siped rubber soles quickly, ruining their deck-gripping capabilities. They are perfect for active crew members moving around the boat, but are not meant to double as rugged hiking boots.

Inflatable PFD – Mustang Survival MIT 100

Safety should always be the top priority on the water, but traditional foam life jackets are bulky, hot, and restrict movement, tempting sailors to leave them off. An inflatable personal flotation device (PFD) offers a low-profile alternative that you can wear comfortably all day in warm climates. It remains slim and out of the way until it is needed.

The Mustang Survival MIT 100 uses Membrane Inflatable Technology to drastically reduce weight and improve flexibility. It features an easy-to-use manual inflation cord, which prevents accidental inflation from heavy deck spray or rain. When inflated, it provides 28 pounds of buoyancy—significantly more than a standard foam vest—and is designed to turn an unconscious wearer face-up in the water.

• Membrane Inflatable Technology (MIT) reduces weight and bulk for all-day wear
• 1-fold design makes repacking simple and quick after deployment
• Provides 28 lbs of buoyancy when fully inflated, self-righting most wearers
• Heavy-duty outer shell resists abrasion from rigging and deck hardware

This PFD requires regular maintenance, including checking the CO2 cylinder and inflator status indicator before every voyage. It is not rated for high-speed water sports like jet skiing or water skiing, where hard impacts could trigger or damage the bladder. It is an absolute must-wear for night watches and rough weather, but is not intended for casual swimming.

Anti-Corrosion Spray – CorrosionX Marine Spray

Salt air will eventually find its way into every metal zipper, snap, electrical connection, and tool on your boat. Once salt crystals settle, galvanic corrosion begins to fuse moving parts and degrade electrical conductivity. A high-performance anti-corrosion spray acts as a preventative shield, displacing moisture and stopping rust in its tracks.

CorrosionX Marine Spray uses Polar Bonding technology to leave a microscopic, self-healing dielectric barrier on metal surfaces. It does not merely coat the metal; it chemically bonds to it, preventing moisture and oxygen from reaching the surface. It is safe to use on delicate electronics, marine wiring, steering cables, and deck hardware.

• Polar Bonding technology actively displaces moisture and sticks to metal
• Dielectric properties safe for marine electronics and wiring connections
• Non-sticky protective film that resists dirt and dust buildup
• Stops existing rust and prevents galvanic corrosion between dissimilar metals

Because this spray leaves a lubricated barrier, you must avoid applying it to walking decks, steering wheels, handrails, or anything else where a slippery grip could cause a safety hazard. It also has a distinct chemical smell when first applied, so it should be used in well-ventilated areas. This is a vital preventative maintenance tool for anyone bringing valuable gear or managing the boat’s hardware.

Waterproof Headlamp – Black Diamond Storm 500-R

Catamaran cabins can be dark, and working on deck after sunset requires hands-free lighting to maintain your balance. Standard flashlights require a hand to hold, leaving you with only one hand to hold onto the boat. A rugged, waterproof headlamp with a red-light mode is essential for night navigation and emergency repairs in the dark.

The Black Diamond Storm 500-R delivers a powerful 500 lumens of light housed in a fully dustproof and waterproof body. It features red, green, and blue night-vision modes, allowing you to work on deck without blinding your crew members or ruining your night-adapted vision. The rechargeable lithium-ion battery can be easily topped off using a USB cable connected to the catamaran’s 12V system.

• 500 lumens maximum output for high-visibility spot-beaming
• IP67 Waterproof rating (operates underwater down to 1 meter for 30 minutes)
• Rechargeable 2400 mAh Li-ion battery with micro-USB charging port
• Red, Green, and Blue night vision modes to preserve low-light adaptation

The touch-sensitive brightness adjustment (PowerTap) can be finicky to operate when wearing heavy sailing gloves or when your fingers are wet. Always engage the digital lock feature before packing the headlamp away to prevent it from accidentally turning on and draining the battery in your bag. This headlamp is a vital safety tool for night watches and overnight cruises, but is unnecessary for those who plan to be anchored and asleep by sunset.

How to Clean and Store Marine Gear After the Cruise

Once your catamaran is safely tied to the dock, the work of preserving your gear begins. Never store gear that is still damp with saltwater, as the salt will trap humidity and cause corrosion even in a dry storage unit. The first step is always a thorough soak in lukewarm fresh water to dissolve salt crystals from zippers, seams, and metal joints.

After washing, dry all equipment completely in a shaded, well-ventilated area away from direct sunlight, which can degrade plastics and performance fabrics over time. Apply a light coat of anti-corrosion spray or silicone grease to metal pivots, zippers, and snap fasteners before packing them away. Remove batteries from electronics like VHF radios and headlamps to prevent slow drainage or catastrophic battery leaks during the off-season.

Finally, store your marine gear in breathable canvas or mesh bags rather than sealed plastic bins, which can trap residual moisture and foster mold. Keep everything in a climate-controlled space out of extreme heat or cold. Taking these steps ensures that when the next catamaran adventure calls, your gear will perform just as flawlessly as it did on day one.

Equipping yourself with the right saltwater-safe essentials protects both your safety and your budget over the long haul. With proper care and the right tools at your disposal, the ocean becomes an enjoyable playground rather than a battleground for your gear.