2027 Vancouver Boat Show
After two years away, we’re heading back to the Vancouver International Boat Show, January 27–31, 2027, bigger and better than ever, with lots of prizes to be won. Here’s what...
Scientific Anglers Sonar Stillwater Seamless Density - Pale Green / Dark Green - Intermediate/Sink 3 - WF-6-S is in stock and available for pickup within 24hrs.
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✔ Locally owned in Nanaimo, BC
✔ Trusted by boaters and anglers since 1986
✔ Knowledgeable staff with real on-the-water experience
✔ Large in-stock selection of marine & fishing gear
We’re here to help you get the right gear the first time.
We ship across Canada with fast, reliable delivery from our Nanaimo location.
✔ Trusted since 1986
✔ Fast Canada-wide shipping
✔ Expert support available
Need it sooner or have questions? Our team is here to help.
We stand behind the products we sell and want you to shop with confidence.
✔ Easy returns on eligible items
✔ Manufacturer warranties supported
✔ In-store support available if you need help
Some items are non-returnable. Please review our full Return & Refund Policy before completing your purchase.
Scientific Anglers Sonar Stillwater Seamless Density is a full sinking fly line designed for stillwater anglers who need a smooth, straight connection to subsurface flies. Built on the popular MPX taper, this Pale Green / Dark Green Intermediate/Sink 3 line helps you fish just under the surface chop with control, turnover, and consistent depth.
Scientific Anglers designed this line for trout and other freshwater species when fish are feeding below the surface. The Intermediate running line paired with a Sink 3 head offers a versatile profile for lake fishing, chironomid presentations, and streamer work. With a 105-foot total length and 35.5-foot head, it is available in WF-4-S, WF-5-S, and WF-6-S options to match a range of rod weights.
Whether you are fishing calm lakes, drifting long leaders, or targeting fish holding deeper in the water column, Scientific Anglers gives you the sink control and smooth casting performance needed for effective stillwater presentations.