8 Essential Items to Pack for a Snorkeling and Boating Excursion

A perfect day on the water can quickly turn into an frustrating ordeal if you find yourself shivering, sunburned, or squinting against the blinding glare of the ocean. Having the correct gear on a snorkeling and boating excursion marks the difference between exploring vibrant coral reefs in complete comfort and sitting miserably on the deck waiting for the trip to end. This guide covers the essential gear designed to keep you safe, dry, and fully prepared for your next coastal adventure.

Disclosure: This site earns commissions from listed merchants at no cost to you. Thank you!

Preparing for a Safe and Comfortable Day on the Water

Boarding a charter boat or a rental pontoon brings you face-to-face with a dynamic marine environment. Wind, salt spray, intense overhead sun, and reflective glare work together to drain your energy faster than a standard day hike. Preparing for this environment means packing gear that serves multiple purposes: blocking UV rays, resisting saltwater corrosion, and keeping personal items secure.

For active adults, comfort on a boat is not just about luxury; it is about safety and stamina. A slip on a wet deck or a painful blister from poorly fitting fins can cut an expensive excursion short. By selecting durable, functional gear before boarding, you protect your body and ensure you have the energy to enjoy every swim stop.

Dry Bag – Sea to Summit Big River Dry Bag

Boat decks are notoriously wet zones, where splash, spray, and dripping snorkelers threaten to soak dry clothes, car keys, and electronics. A high-quality dry bag acts as an impenetrable vault for gear, keeping valuables completely isolated from pooling deck water. Without one, you risk ruining expensive cameras and phones before you even reach the dive site.

The Sea to Summit Big River Dry Bag is the premier choice for marine excursions due to its exceptionally rugged construction. Built with 420D waterproof nylon fabric and fully taped seams, this bag easily resists the abrasions common on rough fiberglass decks. The white interior laminate makes finding small items at the bottom of the bag simple, even in low cabin light.

When using this dry bag, always roll the top closure at least three times before clicking the buckle to ensure a watertight seal. This bag is highly durable, which makes it slightly stiffer and heavier than ultralight silicone dry sacks, but the trade-off in puncture resistance is well worth it.

• Material: 420D TPU-laminated nylon
• Sizes available: 5L, 8L, 13L, 20L, 35L, 65L
• Best for: Boat decks, kayak touring, and wet gear storage

This dry bag is perfect for boaters who need maximum protection against heavy spray and rough handling. It is not the right choice for swimmers looking for a tow-behind float or travelers who only need light water resistance inside a larger backpack.

Snorkel Set – Cressi Palau Mask Fin Snorkel Set

Rental snorkel gear on charter boats is often worn-out, poorly sanitized, and prone to leaking, which quickly ruins a dive. Bringing your own snorkel set ensures a hygienic, reliable fit that lets you focus on the marine life rather than clearing water from your mask. A proper set provides the foundation for effortless underwater exploration.

The Cressi Palau Mask Fin Snorkel Set stands out because it combines premium materials with highly adjustable, travel-friendly features. The mask uses a high-quality hypoallergenic silicone skirt that conforms to various face shapes to prevent leaks. The short, open-heel fins are easy to put on, accommodate a wide range of foot sizes, and fit neatly into a carry-on suitcase.

To ensure a leak-free dive, adjust the soft silicone straps while dry, and avoid over-tightening the mask, which can warp the skirt. Because the fins are open-heeled, they work best when paired with thin neoprene socks or water shoes to prevent heel chafing during long swims.

• Fins: Adjustable open-heel, short-blade design
• Snorkel: Dry-top design with purge valve
• Best for: Warm-water snorkeling, travel, and multiple users

This set is ideal for recreational snorkelers and travelers who prioritize comfort, ease of adjustment, and packability. It is not designed for deep-water freediving or scuba diving, where longer, stiffer fins are required.

Rash Guard – Patagonia Capilene Cool Daily Hoody

Spending hours floating face-down exposes your back, neck, and ears to intense, direct sunlight amplified by the water’s surface reflection. A high-performance sun shirt provides continuous, physical protection that never washes off or needs reapplication. It also prevents painful chafing from life jackets and snorkel vests.

The Patagonia Capilene Cool Daily Hoody is the ultimate layer for hot days on the water. Made from a lightweight, quick-drying polyester blend, it features HeiQ Pure odor control and a built-in hood that fits comfortably over a sun hat. Unlike traditional, tight-fitting spandex rash guards, this shirt has a relaxed fit that keeps you cool on the boat deck while dry.

Keep in mind that this shirt is designed to fit loosely; if you prefer a streamlined fit for active swimming, consider sizing down. While it provides excellent sun protection, it does not offer thermal insulation, so it should not be treated as a wetsuit replacement in cold water.

• Material: 100% recycled polyester jersey
• Sun Protection: Lightweight physical barrier against UV rays
• Best for: Snorkeling, boating, kayaking, and warm-weather hiking

This hoody is perfect for active adults who want versatile, comfortable sun protection that transitions smoothly from the water to a dockside restaurant. It is not suited for cold-water snorkeling where thermal warmth is the primary concern.

Sunscreen – Thinksport SPF 50+ Mineral Sunscreen

Traditional chemical sunscreens contain active ingredients like oxybenzone and octinoxate, which bleach fragile coral reefs and disrupt marine ecosystems. Many popular boating destinations now strictly ban these chemicals to protect their underwater habitats. A reef-safe mineral sunscreen is essential for keeping both your skin and the ocean healthy.

Thinksport SPF 50+ Mineral Sunscreen uses a 20% non-nano zinc oxide formula to provide highly effective, broad-spectrum protection against UVA and UVB rays. It is highly water-resistant for up to 80 minutes, ensuring it stays on your skin during extended snorkeling sessions. The formula is free of harmful biological chemicals and does not leave an excessively greasy residue.

Mineral sunscreen must be rubbed in thoroughly to eliminate the characteristic white cast, and it should be applied 15 minutes before entering the water. For the best defense, reapply immediately after towel-drying to maintain continuous protection.

• Active Ingredient: 20% Non-Nano Zinc Oxide
• Water Resistance: 80 minutes
• Best for: Reef-safe sun protection during high-output water sports

This sunscreen is the perfect option for environmentally conscious travelers who require maximum sun defense in sensitive marine parks. It is not ideal for those who demand completely invisible, instant aerosol sprays that can wash off easily in the surf.

How to Choose Snorkeling Gear That Fits Correctly

A poorly fitting mask or fin can turn a dream excursion into a frustrating cycle of clearing water and nursing cramps. To test a mask seal without using the strap, press the mask gently against your face, inhale slightly through your nose, and let go. A properly fitting mask will suction to your face and remain there without falling, indicating an airtight seal.

When choosing fins, ensure your toes do not extend past the foot pocket if using closed-foot models, as this leads to painful pressure points. Open-heel fins should be snug but allow you to wiggle your toes, with the heel strap resting securely on the Achilles tendon without slipping.

Finally, consider the snorkel mouthpiece; it should sit comfortably in your mouth without requiring you to clench your jaw. If you experience jaw fatigue after just a few minutes of dry testing, the mouthpiece is too large, and a smaller, more ergonomic option should be sought.

Water Shoes – Astral Loyak Outdoor Water Shoes

Slippery boat ladders, wet fiberglass decks, and sharp coral shores present serious slipping and cutting hazards. Water shoes protect your feet during entries and exits, giving you the traction needed to move confidently around the vessel. They bridge the gap between swimming barefoot and walking safely on rocky coastlines.

The Astral Loyak Outdoor Water Shoes offer exceptional performance by combining the flexibility of a water moccasin with the grip of an approach shoe. They feature a high-friction G.15 rubber outsole that clings to wet surfaces, paired with a durable canvas upper that sheds water rapidly. The level footbed promotes natural balance, which is crucial when navigating a rocking boat deck.

Because these shoes are designed to fit securely, they can feel tight when first putting them on dry, but they stretch and conform perfectly to the foot once wet. They require a quick freshwater rinse after each use to wash away fine sand that can cause internal abrasion.

• Outsole: High-traction G.15 rubber
• Upper: Cordura nylon with stretch mesh
• Best for: Boating, kayaking, wet wading, and rocky beach entries

These shoes are perfect for boaters who need reliable deck grip and shore protection without sacrificing style or foot agility. They are not designed for long-distance backpacking or heavy trail use, where thick ankle support is required.

Packable Towel – PackTowl Personal Microfiber Towel

Traditional cotton towels are bulky, heavy when wet, and take hours to dry in humid boat environments. A packable microfiber towel provides massive absorbing power while packing down to the size of a small water bottle. This keeps your boat bag light, organized, and free of mildew smells.

The PackTowl Personal Microfiber Towel is a stellar choice because it absorbs four times its weight in water and dries up to 70% faster than cotton. The fabric is treated with Polygiene odor control, preventing the damp, sour smell that typically develops in wet boat bags.

Microfiber towels work best when patted against the skin rather than rubbed like traditional cotton. They must be hung by their integrated snap loop to dry quickly between swim stops.

• Material: Polyester/Nylon microfiber blend
• Sizes: Face, Hand, Body, Beach
• Best for: Travel, boating, camping, and space-saving packing

This towel is ideal for travelers who want to save space in their daypacks and need a towel that dries rapidly between stops. It is not the right choice for those who prefer the plush, heavy texture of a traditional cotton beach towel.

Polarized Sunglasses – Costa Del Mar Fantail

Glare on the water’s surface blocks your view of what lies beneath and causes intense eye strain. Polarized sunglasses cut through this reflected light, allowing you to spot shallow reefs, marine life, and underwater hazards clearly. They are a critical tool for both safe navigation and wildlife viewing.

The Costa Del Mar Fantail sunglasses are highly regarded in the marine community for their superior optical clarity. They feature patented 580 polarized lenses that block harsh yellow light while enhancing reds, blues, and greens. The heavy-duty nylon frame provides a secure wrap-around fit that blocks side glare and wind.

To protect this investment on the water, always pair them with a floating retainer strap to prevent them from sinking if dropped. Choose the green mirror lens for shallow water and flats, or the blue mirror lens for deep, open-ocean excursions.

• Lens Options: 580P (Polycarbonate) or 580G (Glass)
• Frame Material: Bio-resin nylon
• Best for: Boating, fishing, and bright-light marine environments

These sunglasses are ideal for boaters and snorkelers who demand elite glare reduction and high-definition underwater visibility. They are not the best choice for budget-conscious buyers who only need casual fashion eyewear.

Waterproof Case – Sea to Summit TPU Guide Case

Modern smartphones serve as cameras, navigation tools, and emergency communicators on the water, making their protection paramount. A dedicated waterproof case shields your device from direct saltwater immersion while keeping it accessible. It allows you to capture memories without risking expensive water damage.

The Sea to Summit TPU Guide Case is built with thermoplastic polyurethane (TPU), which is highly resistant to UV rays, extreme cold, and cracking. It features a reliable roll-top closure with a double hook-and-loop seal that keeps water out even during brief submersions. The clear, touch-compatible window allows full screen functionality and clear photos.

Touchscreens will not respond reliably underwater due to water pressure, so use your phone’s physical volume buttons to trigger the camera shutter when submerged. Always test the case at home by submerging it with a piece of paper towel inside before trusting it with your phone.

• Material: UV-resistant TPU
• Waterproof Rating: IPX8 (tested at 10 meters for 1 hour)
• Best for: Smartphones, car transponders, and passport protection

This case is excellent for paddleboarders, snorkelers, and boaters who want reliable protection and basic photo capabilities near the surface. It is not suitable for deep scuba diving, where a hard-sided dive housing is required.

Staying Hydrated and Avoiding Seasickness on Boats

The combination of saltwater, wind, and constant sun exposure dehydrates the body much faster than inland activities. It is easy to mistake dehydration for simple fatigue, leading to headaches and muscle cramps that ruin your swim. Keep a vacuum-insulated water bottle filled with ice-cold water on hand, and drink steadily throughout the day, even if you do not feel thirsty.

Motion sickness can strike even the most experienced travelers when swell and engine fumes mix. To combat nausea, stay on the open deck where fresh air circulates, and keep your eyes fixed on the horizon rather than looking down at a screen or book. Positioning yourself in the middle of the boat, where the rocking motion is minimized, also helps stabilize the inner ear.

If you are prone to motion sickness, taking a non-drowsy antihistamine or wearing acupressure wristbands before boarding the vessel is crucial. Once nausea sets in, it is much harder to reverse, so early prevention remains your best line of defense.

How to Properly Clean and Store Saltwater Gear

Saltwater is highly corrosive and leaves behind tiny abrasive crystals that degrade silicone seals, rust zippers, and cloud optical lenses over time. Failing to rinse your gear after an excursion guarantees early gear failure and foul odors. A disciplined post-trip cleaning routine is the key to protecting your investment for years to come.

As soon as you return to shore, thoroughly rinse all snorkel gear, water shoes, and dry bags in clean, fresh water. Pay close attention to zippers, buckles, and mask skirts, gently working them to flush out trapped salt and sand. Avoid using harsh detergents, which can break down specialized materials and coatings.

Allow all items to air-dry completely in a shaded, well-ventilated area before packing them away. Storing gear while still damp invites mold and mildew growth, while drying them in direct, intense sunlight can degrade plastics and cause silicone to crack.

Equipping yourself with the right gear ensures that your next coastal excursion is defined by discovery rather than discomfort. By choosing reliable, high-performance items that withstand the harsh marine environment, you can step aboard with absolute confidence. Pack smart, protect your skin, and enjoy every moment of your underwater adventure.