All Fishing Charters
- Siesta Key Fishing Charters
- Siesta Key Fishing Charters
- Siesta Key Sport Fishing Charters
- SiestaKation Charters
- Sigatoka Fishing Charters Fiji
- Signal 0 Charters
- Signature Charters
- Silent Hunter
- Silent Hunter 2
- Silky Sportfishing
- Silva Scales n' Tales Sportfishing
- Silver & Gold Sport Fishing
- Silver Beach Fishing Co
- Silver Beard Charters
- Silver Charters- Crab, Shrimp, Fish
- Silver Crescent Fly Fishing
- Silver Dog Fishing Charters
- Silver Dollar III Charters
- Silver Finn
- Silver Fish Lodge
- Silver Hook Fishing Charters
- Silver King Charters
- Silver Kings Kayak Charters
- Silver Shark Boats Rental
- Silver Strike Fishing Bass/Walleye
- Silver Surge Fishing
- Silver Tuna Sport Fishing
- Silverback Reel Hooker
- Silverking Charters
- Simon Fishing Adventures
- Simon Says Charters
- Simon Says Charters – Inshore
- Simonizer Fishing Charters
- Simple Life Fishing Charters
- Simply Caught Charters LLC – Big Game Fishing
- Simply Caught Charters – Marlin/Mahi/Tarpon
- Simply Fly Fishing
- Simply Reel Inshore Fishing
- Simply The Best Fishing Charters
- Simpson Sport Fishing
- Singapore Fishing Charter (RSYC)
- Singapore Fishing Charter (Sentosa)
- Singing Reel Charters
- Single Fin Sport Fishing
- Sinopoli Fishing
- Sir Reel Fishing Charters LLC
- Sir Walleye Charters
- SirReel Sportfishing Charters
- Sitka Expeditions – Premiere Salmon Fishing
- Six Chuter Charters
- Six Fins Charter
- Six Shooter Charters LLC
- Six Yacht
- Size Matters Charters
- Skevos Fishing Trip Rhodes
- Skillet Sportfishing
- Skinnin' Fins Charters
- Skinny Dipn Charters
- Skinny D’s Fishing Adventures
- Skinny Water Guide Co.
- Skipjack Sportfishing
- Skipper Charters
- Skipper Dan - Navy Boat
- Skipper's Suwannee Gulf Charters
- Skippers Charter Service
- Skirtchaser Charters – 36’ Yellowfin
- Skookum Fishing Charters
- Skull Fishing
- Skunk Fishing
- Skylar Blue
- Skylar Hamilton Guide Service
- Skyward Salmon Charters
- Skyway Fishing Tours
- Skyway Seafaris with Capt. Russell
- Skyway Sportfishing
- Slab Seeker Fishing Guide Service
- Slab Slayer Guide Service
- Slack Tide Charters
- Slack Tide Fishing Charters
- Slack Tide Kayak Fishing
- Slackem Charters – 46' Post
- Slackem Charters – 52' Hatteras
- Slacktide Sportfishing
- Slacktyde Charters
- Slaughterhouse Fishing
- Slay Ride 30ft
- Slice Of Life Charter Company – Dassen Island
- Slice Of Life Charter Company – Tuna Charters
- Slick Calm Charters
- Slick Charters
- Slick Fin Charters
- Slick Fin Charters
- Slick Rock Outfitters LLC
- Slick Water Adventures
- Slightly Obsessed Deep Sea – 29’ Cat
- Slightly Obsessed Fishing Charters
- Sligo Sportfishing
- Sligo Sportfishing – Sligo II
- Slime Time Fishing Charters
- Slipknot Charters