Bird Control for Boats and Docks

Gulls loaf where they can see. A dock gives them height over open water, a clear view in every direction, and rails, pilings, boat covers and canvas to sit on — and everything they leave behind lands on the boat, the deck and the furniture. Marinas get the same problem at scale, with the added difficulty that the structures are wet, salt-laden and moving.

Working around water narrows what is appropriate. There is usually little to exclude birds from, and what you apply matters. Everything below treats the dock and its structures — rails, pilings, posts, decking and the air above them.

Visual Deterrent on the Dock

The Seagull Effigy is the product Flock Free names directly for this location — docks, piers and boats are all in its listed applications. Hung where approaching gulls can see it and moved every week or two, it is usually the first thing to put up.

Hazing Over a Dock or Marina

A hazer disperses the repellent as a light haze across an area rather than treating a surface, which suits a dock frontage where there is little to treat. Flock Free lists boat docks and marinas among the Moby's applications. It runs on repellent concentrate, and the hazer bundle below is the year's supply.

Scent Around the Dock

The Scent Dispenser releases a grape aroma birds find unpleasant across a wider area than the pucks alone, and Flock Free lists boats among its applications. It suits a slip, a covered dock or a boathouse better than an exposed open frontage. For use around children and pets. Use as directed.

Repellent Spray on Dock Structures

Flock Free Bird Repellent Concentrate lists docks among the places it is intended for, alongside barns, roofs and lawns. That supports treating the structures — dock boards, rails, pilings, posts and the frames of a covered slip. It dries clear and works as a visual, scent and taste deterrent. For use around children and pets. Use as directed.

Treat the rails and boards gulls are actually using rather than the whole dock, and reapply through the season rather than once. Cannot be shipped to CT, IN, MD, MT, RI, DC or NM.

Spikes on Rails, Pilings and Posts

Stainless steel is the point here rather than the spike: Flock Free specifies that these will not corrode in salt air, which is what rules most hardware out on a dock. They suit piling caps, rail tops, post caps and the frame of a covered slip — the narrow horizontal runs a gull chooses.

Where To Start

For a private dock, start with the Seagull Effigy and treat the rails and piling caps with repellent concentrate — that combination handles most of what a household actually sees. For a marina or a commercial frontage, the hazer is the method that holds an area continuously, with the effigy alongside it and spikes on the piling and post caps that gulls keep coming back to.

Prices shown as listed at the time of publication.

Related Bird Control Resources

See also bird control for areas around or over water for the wider picture, and covered areas for boathouses and covered slips. Docks and marinas are most often a problem with seagulls, geese, cormorants and blue herons. You can also browse the full Bird Control range.