Retailers across Australia watch shark repellents fly off shelves this summer, even as questions linger over their real-world performance for swimmers at beaches like Manly.
Demand surges nationwide for wearable devices such as magnetic bands and electric field emitters, with surf shops near Manly Wharf struggling to restock amid holiday crowds flocking to the sand.
Local beachgoers snap up wrist and ankle models before dawn patrols or family dips off North Steyne, seeking that extra edge in northern Sydney’s popular surf zone. Stores like Aloha Surf at 44 Pittwater Road report sales doubling as word spreads through community chats about recent shark sightings nearby.
Manly Retailers Hit Hard
Shops along The Corso and around Manly Beach stock popular brands like Sharkbanz and Shark OFF Rio series, designed for surfers and swimmers tackling daily waves. Aloha Surf Manly leads the rush with its core surf focus, where regulars grab deterrents for paddle sessions past the heads.

Families add them to kids’ gear for safe play in the shallows near Little Manly Cove, turning routine beach trips into proactive safety routines. This rush echoes patterns from past hot seasons but accelerates with online buzz and in-store displays emptying fast.
Device Technology Basics
Magnetic repellents overload shark electroreceptors with strong fields, while electric versions utilize battery-powered electrodes to emit a powerful field that overstimulates a shark’s sensory organs, causing them to turn away.
Manly users favor lightweight bands that strap on easily for body boarding or ocean swims toward Fairy Bower. They activate on contact with water, providing hours of coverage per charge for full beach outings at high-traffic spots.

Proven Limits in Tests
Scientific trials confirm that high-end electric models, like the Ocean Guardian Freedom+ Surf, cut the chances of a shark taking bait from 96 percent to 40 percent. However, researchers warn that cheaper magnetic bands, while popular, showed little to no measurable effect in the same tests.
Effectiveness drops against great whites or in groups, highlighting why locals pair them with patrols. No device offers total protection, but the sales boom shows beach communities value the tested reductions anyway.
National Retail Trend
From Sydney’s northern beaches to Queensland spots, outlets like Rip Curl and online sellers see similar sell-outs of Ocean Guardian and Sharkbanz units. Rebate programs in some states boost access, letting more residents try before buying.

This widespread grab reflects summer caution as drone and net programs expand coverage across New South Wales.
Tips for Manly Beach Users
Visit Aloha Surf on Pittwater Road to compare options; while $50 magnetic bands are the top sellers for their convenience, experts recommend the more expensive electric rechargeables for those seeking scientifically-tested deterrence.
Check battery life and fit for ankles during SUP outings off North Steyne. Apps link to local shark spotters for combined use.
Published 24-January-2026.







