How to Rig a Trolling Spread - Offshore Lure Placement Guide
A sloppy trolling spread catches nothing but tangles. A well-rigged spread covers the water column, mimics a school of baitfish fleeing your boat's wake, and puts the right lure in front of the right fish at the right distance. The difference between a boat that catches and a boat that rides is usually not luck - it's how the spread is set.
If you've been running two flat lines and calling it trolling, you're leaving fish behind. A proper 5-line trolling spread with correct positioning, distances, and lure types turns your wake into a feeding station. Here's how to set one up right.
What Is a Trolling Spread?
A trolling spread is the arrangement of lines, lures, and teasers behind your boat while trolling. Think of it as a formation - each line runs at a specific distance and position to create the illusion of a scattered baitfish school being chased through the wake. The boat's propwash creates turbulence, bubbles, and noise that attract predators from a distance. Your lures riding in and around that disturbance look like panicked bait trying to escape.
The standard offshore spread runs 5 lines: one center long (the shotgun), two flat lines off the transom, and two rigger lines from the outriggers. Each position has a specific purpose, distance, and lure type that makes the whole thing work together.
The Standard 5-Line Spread: Position by Position
Picture your boat from above, moving forward. The spread fans out behind you in a V shape, with lines at different distances creating depth and width. Here's each position and what goes where.
Shotgun (Center Long) - 75 to 100 Yards Back
The shotgun line runs straight back from the center of the transom, way behind the boat. At 75 to 100 yards back, this lure is running in clean, undisturbed water well past the propwash. This is your big-fish line.
Run a large skirted trolling lure, a pre-rigged cedar plug, or a big ballyhoo rig in this position. The distance keeps it away from boat noise, which matters for wary species like yellowfin tuna and big wahoo. A Joe Shute Sea Witch with a ballyhoo skirt combination is deadly in the shotgun position - the sea witch adds color and commotion while the profile stays natural.
Use heavy Diamond Braid Gen III 8X braided line in 50-80lb test for this position. The thin diameter of braid cuts through water better at long distances and gives you a more direct connection to the lure.
Flat Lines (Port and Starboard) - 30 to 50 Yards Back
The two flat lines run from rod holders on each side of the transom, straight back at surface level. At 30 to 50 yards, they ride in or just behind the propwash - the most turbulent, attention-grabbing zone of your spread.
This is where spoons and small skirted lures shine. Clark Spoons in the No. 1 or No. 2 size are the go-to for flat line positions along the Carolina coast and throughout the mid-Atlantic. Run them behind a ball bearing trolling sinker (1-3 oz) to get them down just below the surface turbulence. The Clarkspoon Flashspoons add extra flash that works especially well in stained water or on overcast days.
Flat lines are your workhorse producers. They catch the most fish on an average day because they're close enough to the boat's disturbance to draw attention but far enough back to look like straggling bait. Stagger them - run one at 30 yards and one at 45 yards so they don't tangle on turns. For a complete breakdown of trolling lure types and how to rig them, check our trolling lures for beginners guide.
Rigger Lines (Port and Starboard) - 50 to 75 Yards Back
The rigger lines run from your outriggers, spread wide to the sides of the boat. At 50 to 75 yards back, they fill the gap between the flat lines and the shotgun while providing maximum width to your spread. When a rigger clip releases on a strike, the line drops and creates a momentary slack that lets the fish eat before tension comes tight. That's a built-in hookset advantage.
Ballyhoo rigs, sea witch and ballyhoo combos, and bird rigs with spoons are all excellent rigger lures. The outrigger position gets these lures away from the propwash into cleaner water where natural presentations excel. Rigged Clarkspoons ready-to-fish right out of the package save time on the water when you need to reset a rigger line fast.
Good outrigger release clips are critical here. Cheap clips either release too early in rough seas or hold too tight and don't pop on a strike. Invest in quality clips and set the tension based on conditions - lighter tension in calm water, heavier when it's rough. If you haven't set up outriggers yet, our outrigger setup guide walks through the whole process including the Momoi Outrigger Kit that comes with everything you need to get rigged.
Adding Teasers and Dredges
Teasers are hookless attractors that add visual noise to your spread. They splash, bubble, and flash without any risk of tangling your hookset. Run teasers on short, heavy lines from the transom or outrigger hardpoints, 10 to 20 yards behind the boat. They bring fish into the spread and get them fired up before they find a hooked lure.
Common teasers include splash bars (chain of birds or squid that skip across the surface), daisy chains (strings of soft plastic squid), and single bird teasers that churn and splash. A pair of teasers - one per side - can dramatically increase your bite rate on mahi, tuna, and marlin.
Dredges take it further. These multi-armed rigs loaded with artificial baitfish swim deep beneath the surface, simulating a bait school below the boat. They're most common in tournament billfish fishing but work on big tuna and wahoo too. Not mandatory for a beginner spread, but a serious upgrade for big game.
Trolling Speed: Match the Target
Lure selection and position don't mean much if you're running the wrong speed. Different species respond to different trolling velocities, and your lures perform best within specific speed ranges.
5 to 7 knots is the sweet spot for tuna, mahi mahi, and general offshore trolling with natural baits and skirted lures. At this speed, ballyhoo swim naturally, cedar plugs dig and wobble, and skirted lures track straight with a good bubble trail. Most days, 6 knots is where I start and adjust from there.
8 to 12 knots is wahoo territory. Wahoo are the fastest fish in the ocean and they prefer a lure that's screaming. High-speed trolling lures, jet heads, and heavy skirted lures are designed to run true at these speeds where standard lures would spin out or skip. If you're mixing targets - say tuna and wahoo on the same trip - run your rigger lines with high-speed lures and your flat lines with standard speed lures. For a detailed breakdown by species and lure type, our trolling speed chart covers it all.
King mackerel respond well to 4 to 6 knots, especially when slow-trolling live bait or running spoons. If you're targeting kings specifically, the king mackerel fishing guide breaks down the full approach.
Color Selection and Water Conditions
Lure color matters more than most anglers think. The basic rule: match your lure contrast to water clarity.
In dark or stained water, run dark lures - black and purple, black and red, dark blue. These create strong silhouettes fish can pick out. In clear blue water, switch to natural colors - blue and white, green and yellow, chrome, and translucent skirts.
On bright days, chrome and holographic Flashspoons throw light that pulls fish from distance. On overcast days, solid colors with more contrast outperform flashy finishes. Connect your lures with Epic Fishing Co. ball bearing snap swivels so you can swap colors in seconds without retying.
Common Mistakes (and How to Avoid Them)
Running too many lines. Five lines is the standard for a reason. A sixth or seventh creates tangling nightmares on turns. Master five first. On a smaller boat, drop to three (one shotgun, two flat lines) and fish clean rather than tangled.
Equal distances on every line. If all five lines sit at 50 yards, they'll cross every time you turn. Stagger your distances so each line occupies its own lane - shotgun farthest, riggers mid-range, flat lines closest.
Wrong speed for your lures. A ballyhoo rig that swims beautifully at 6 knots will spin out at 9 knots. Watch your lures in the water before committing to a troll. If they're not swimming right, adjust speed first, then distance.
Not checking the spread. Weed and sargassum grass foul lures constantly offshore. Check every 15 to 20 minutes. A spoon wrapped in grass is catching nothing.
Ignoring the wash. Your propwash attracts fish. Flat lines should ride in or just behind the white water where the action is, not way out in clean water.
Quick Reference: The 5-Line Spread
| Position | Distance Back | Best Lure Types | Notes |
|---|---|---|---|
| Shotgun (center) | 75-100 yards | Large skirted lures, cedar plugs, sea witch combos | Big fish line, clean water |
| Flat Line (port) | 30-40 yards | Spoons, small skirted lures | Workhorse position, in the wash |
| Flat Line (starboard) | 40-50 yards | Spoons, small skirted lures | Stagger from port flat line |
| Rigger Line (port) | 50-65 yards | Ballyhoo rigs, sea witches, bird rigs | Wide spread, natural presentations |
| Rigger Line (starboard) | 60-75 yards | Ballyhoo rigs, sea witches, bird rigs | Stagger from port rigger |
Putting It All Together
Setting a proper trolling spread isn't complicated once you understand why each piece goes where it does. Start with the flat lines close behind the boat in the propwash. Then set the rigger lines wider and farther back in cleaner water. Finally, send the shotgun straight back into undisturbed water as your long-range big fish producer.
If you're just getting into trolling, the Clarkspoon Trolling Kit is an honest starting point - it comes with spoons, sinkers, and rigging so you can set flat lines and start catching without buying everything separately. Add outriggers and rigger lines when you're ready to expand.
The spread doesn't need to be perfect. It needs to be organized, staggered, and running at the right speed. Fish the spread you have, not the one you wish you had, and pay attention to which positions produce. After a few trips, you'll have your own go-to configuration dialed in. That's when trolling stops being a guess and starts being a system.