Scientific Anglers - Sonar Saltwater Intermediate Line

Scientific Anglers Sonar Saltwater Intermediate Line – Stealth, control, and precision for saltwater fly fishing.

The Scientific Anglers Sonar Saltwater Intermediate Line is designed for anglers targeting wary fish in shallow saltwater environments. Featuring a slow-sinking clear head, this line cuts just below the surface to eliminate surface disturbance and provide unmatched stealth when presenting flies to redfish, bonefish, permit, or tarpon. Perfect for situations where topwater isn’t effective, the Sonar Saltwater Intermediate delivers smooth casts, excellent turnover, and precise control to maximize your chances on the flats. Built with Scientific Anglers’ trusted durability and performance, this line ensures dependable results in the toughest saltwater conditions. Shop online or visit Drift Outfitters in Toronto for expert advice and fast shipping anywhere in Canada.

• Slow sink rate gets flies just below the surface
• Engineered for use in salt water
• Clear head for stealthy presentations
• Tropi-Core technology for tropical climates
• Sink Rate: 1.25 ips (Intermediate)
• SA ID – SA SONAR SWTI WF X I (X = line weight)
  
  

Q: What types of fly lines do you sell?
A: Drift Outfitters carries fly lines for every fishing style and species — from delicate trout presentations to heavy saltwater setups. You’ll find floating, sinking, and intermediate lines, along with specialty tapers for Euro nymphing, spey casting, and warmwater fishing.

Q: How do I choose the right fly line for my rod?
A: Match the line weight to your rod weight (for example, a 5wt line for a 5wt rod). The type of fishing you do matters too — floating lines are best for dry flies, while sinking or sink-tip lines are ideal for streamers or deep-water presentations.

Q: What’s the difference between weight-forward and double-taper lines?
A: Weight-forward (WF) lines have their weight in the front for easier casting and distance, making them the most popular choice for most anglers. Double-taper (DT) lines offer smoother roll casts and can be reversed for extended use — great for traditional or delicate presentations, however many weight forward lines also offer these benefits, making DT lines less popular.

Q: Which fly line brands do you carry?
A: We stock leading brands RIO, Scientific Anglers, Airflo, and more. Each brand offers premium coatings, slick finishes, and tapers designed for maximum performance in both fresh and saltwater.

Q: How do I clean and maintain my fly line?
A: Rinse your line with warm, soapy water and dry it with a soft cloth to remove dirt and buildup. Use a fly line cleaner or dressing periodically to restore slickness and extend its lifespan. Proper care keeps your line floating high and casting smoothly.

Q: How often should I replace my fly line?
A: With proper cleaning and care, most fly lines last several seasons. However, if your line begins to crack, lose buoyancy, or feel sticky, it’s time for a replacement to maintain casting performance.