All Fishing Charters
- ShoreThing Guide Service
- Shoreline Fishing - Your Gateway to Overberg
- Shoreline Sharkin
- Short Skirts Sportfishing Charters
- Shotime Charters
- Show Me Fish Guide Service
- Show Up & Fish Charters
- Showdown Fishing
- Showdown Fishing Detroit River
- Showdown Fishing Huron for Walleye
- Showdown Fishing – Manistee, MI
- Showtime Charters
- Showtime Charters
- Showtime Charters
- Showtime Sportfishing
- Shrimp Slingers Fishing & Gigging Charters
- Shuruno
- Shut Up & Fish LI
- Shut up & Fish Charters
- Si Fly
- Sich's Guide Service – Cayuga Lake
- Sich's Guide Service – Oneida Lake Walleye
- Sicily Fishing & Lodging
- Sicily Fishing Charter
- Sick Day Sportfishing
- Sick Day Sportfishing
- Sickle Seeker Sportfishing LLC
- Side Job Charters
- Side Kick Charters
- Side Linerz Charter Fishing
- Sidehustle Excursions
- Sierpe Fishing
- 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
- Silly Lily Fishing Charters
- Silver & Gold Sport Fishing
- Silver & Gold Sport Fishing
- Silver Adrenaline Charters
- Silver Beach Fishing Co
- Silver Beard Charters
- Silver Charters- Crab, Shrimp, Fish
- Silver Crescent Fly Fishing
- 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 Surge Fishing
- Silver Tuna Sport Fishing
- Silverback Reel Hooker
- Silverking Charters
- Simon Fishing Adventures
- Simon Says Charters
- 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
- Sin Priza Fishing
- Singapore Fishing Charter (RSYC)
- Singapore Fishing Charter (Sentosa)
- Singing Reel Charters
- 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
- SixFourFishing Charters
- 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
- Skipjack by Amberjack Sport Fishing
- Skipper Charters
- Skipper Dan - Navy Boat
- Skipper Prima Ventures
- Skipper's Suwannee Gulf Charters
- Skippers Charter Service (big boat)
- Skirtchaser Charters – 36’ Yellowfin