RIO Products Mainstream Saltwater Fly Line, Floating Saltwater Fly Fishing Line, Easy Casting for Any Angler Targeting Bonefish, Permit, Tarpon, and Other Species, Blue


Price: $24.99 - $30.38
(as of Jun 05, 2025 12:48:45 UTC – Details)



Targeted to the overall needs of the average fly fisher. About the manufacturer: Far Bank is an integrated manufacturer and distributor of fly fishing products, including fishing rods, fly reels, fly lines, leaders, tippets and performance outdoor apparel. Search Amazon for a complete list of Redington, Rio, and Sage products to outfit your favorite fly fisher.
MAINSTREAM SALTWATER: RIO’s Mainstream saltwater fly lines have been developed to meet the overall needs of the average and novice fly fisher, and are designed to optimize rod performance with slightly heavier and shorter head lengths.
FLY LINE FEATURES: Every Mainstream line undergoes the same rigorous production processes and quality control standards as all RIO fly lines, and is made in RIO’s Idaho manufacturing facility. Each saltwater line is built with a hard, saltwater coating for the best in performance. Targeted to the overall needs of the average fly fisher.
TECHNOLOGIES: RIO’s DirectCore is a low-stretch core used in tropical lines, that stretches 30% less than other tropical cores, exceptionally easy to pull coils out of, and lies perfectly straight on the water, while SlickCast creates the slickest, most durable coating on the market, producing the least amount of friction ever measured on a fly line.
SALTWATER FLY LINES: We offer a wide selection of saltwater fly lines for anglers of all abilities in all conditions. Whether fishing flats for Bonefish, Permit or Tarpon in the tropics or heaving big baitfish patterns into the surf for Stripers, we have the right line. A wide selection of both tropical and cold water fly lines ensure that we have every fishing condition and season covered. All fly lines are built with sophisticated tapers and the latest technology for the modern angler.
PASSION & INNOVATION: For more than 20 years, RIO has demonstrated passion, innovation and a pure love for the sport through its development of the industry’s highest performance fly lines. And the great news is, we will continue to research, design and refine our products to ensure they are your preferred line of choice for years to come.

Customers say

Customers find the fly line casts like a dream and works like a charm, with good value for money and positive feedback about the brand. The line’s durability receives mixed reviews, with some noting it becomes stiffer over time, while opinions on line quality are divided between those who find it great and those who consider it among the worst fly lines.

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