Our verdict
Sun Bum Marine SPF 50 Sunscreen is a reliable, reef-safe choice for boaters, anglers, and watersports enthusiasts who need durable sun protection that holds up against salt water and sun glare off the water. Its non-greasy formula and secure-grip bottle make it a practical addition to any marine gear bag, though frequent reapplication is still necessary during long days on deck.
Why it made the list
- Reef-safe SPF 50
- 80-min water resistance
- Non-greasy marine formula
Pros & cons
What we like
- Excellent water resistance for boating, fishing, and watersports
- Reef-safe formula ideal for eco-conscious marine environments
- Lightweight texture layers well under life jackets and wetsuits
- Pleasant, light coconut scent without being overpowering
- Bottle grips well even when hands are wet
Watch out for
- Needs reapplication after heavy sweating or swimming beyond 80 minutes
- Can leave a slight white cast on darker skin tones if over-applied
- Slightly higher price point than standard drugstore sunscreens
Spec sheet
| SPF Rating | 50 |
|---|---|
| Water Resistance | 80 minutes |
| Volume | 6 fl oz (177 ml) |
| Formula Type | Lotion |
| Reef Safe | Yes, oxybenzone & octinoxate free |
Features at a glance
- Broad-spectrum SPF 50 protection
- Reef-friendly formula, free of oxybenzone and octinoxate
- 80-minute water resistance for extended time on the water
- Quick-absorbing, non-greasy lotion that won't stain boat decks or gear
- Infused with vitamin E and hyaluronic acid for skin hydration
- Marine-grade packaging designed to resist salt spray and UV degradation
Full review
Sun Bum Marine Sunscreen is purpose-built for anyone who spends their days on the water, whether you are running a center console offshore, sailing coastal waters, or lounging on the bow during a lazy afternoon anchor-out. Formulated to withstand the unique demands of marine environments, this sunscreen is designed to resist sweat, saltwater spray, and the relentless reflection of sunlight off the water's surface that can intensify UV exposure far beyond what you'd experience on land. Boaters know that sun protection isn't optional out there, and Sun Bum has tailored its broad-spectrum SPF formula specifically to hold up through long hours at the helm, water sports, swimming off the swim platform, or fishing trips where reapplication isn't always convenient.
What sets this sunscreen apart for marine use is its reef-friendly, biodegradable formulation, free from oxybenzone and octinoxate, which matters enormously to boat owners and water enthusiasts who care about the health of the reefs, seagrass beds, and marine ecosystems they navigate through. The water-resistant formula is built to stay effective even after extended submersion or heavy perspiration, making it a reliable companion for wakeboarding, paddleboarding, snorkeling stops, or simply hosing off saltwater at the dock. It glides on smoothly without leaving the heavy white residue or greasy feel that can make handling wheels, lines, rigging, or fishing gear slippery and unpleasant, a small but important detail for anyone who needs steady grip and control while underway.
As a marine accessory, Sun Bum Sunscreen earns its place in every boat's storage compartment or tackle bag alongside life jackets, ropes, and navigation tools, because sun safety is as essential to a day on the water as any piece of safety equipment. Its compact, squeeze-friendly bottle design withstands the bouncing, jostling, and occasional splash of marine storage lockers and console cup holders, while the pleasant, non-overpowering scent won't interfere with the salty sea air boaters love. Whether you're outfitting a fishing charter, prepping a sailboat for a weekend cruise, or simply keeping your family protected during a day of tubing and swimming, Sun Bum Marine Sunscreen delivers dependable, ocean-conscious protection tailored to the realities of life on the water.
Ready to rig it?
Sun Bum Marine SPF 50 Sunscreen Lotion
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