All Fishing Charters
- Snorkel y Pesca Puerto Morelos – 26' Imemsa
- Snorkel y Pesca Puerto Morelos – 31' Bertram
- So Flo Expeditions
- So Flo Fishing Charters
- So Salty Fishing Charters
- SoCo Fishing Guide Service
- SoFla Angling Co.
- SoFlo Inshore Charters
- SoFlo Sportfishing LLC
- SoMax Fishing
- Socrates Fishing Charters
- Sol Fishing
- Sol Search Charters
- Sol Y Mar
- Sol y Mar 1
- Soldier Ocean Service
- Sole-Man Sportfishing
- Soleil Du Nord
- Soleil Sport Fishing
- Solitude Charters LLC
- Solitude Steelhead Guide Service
- Solo Good
- Solutions Charters
- Someday Came Fishing Charters
- Something Catchy Charters Fleet
- Something Catchy Fishing Charters Llc
- Something Fishy Charters
- Somewhere South Fishing Charters
- Sonna Girl Fishing Charters
- Sonny's Guide Service
- Sonrise Fishing
- Sonrise Fishing Charters
- Soo Hoo Sportfishing
- Sooke Salmon Charters
- Sooke Salmon Fishing Charters
- Sooke Saltwater Fishing SA
- Sooke Saltwater Fishing SL
- Soolyman Charters - 32’ Yellowfin 1
- Soolyman Charters – 38’ Yellowfin 3
- Sorta Salty Fishing Charters - 25ft
- Sorta Salty Fishing Charters – 23' Bay Rider
- Sorted Madeira Marlin Charters
- Sosa Fishing (Koloncho)
- Sou'wester Sportfishing
- Sound Charters
- Sound to Summit Alaska Adventures
- Sound-N-Sea Charters
- Sounds Good Charters
- Soundside Tours LLC
- South Angler Adventure
- South Baja Kayak Fishing
- South Bound OBX Outfitters
- South Coast Charters
- South Cruise Adventures
- South End Adventures
- South End Anglers
- South Florida Fishing Guides
- South Florida Fishing LLC
- South Flow Fishing Charters
- South Jersey Fishing Charters, Inc
- South Jersey Fishing Charters, Inc
- South Jersey Outfitters
- South Louisiana Redfishing
- South Marsh Charters
- South Of Heaven Guide Service
- South Of Heaven Guide. Hewescraft
- South Padre Outfitters – Ryan Falls
- South Padre Tx Lifetime charters
- South Shore Fishing Charters
- South Shore Smallmouth Charters
- South Texas Elite Outfitters
- South Texas Elite Outfitters – SPI
- South Texas Fishing Charters
- South Texas Outcast Guide Service
- South Walton Guide Service
- South Water Charters
- South Waters Crappie Guide
- Southbound Fishing Charters
- Southbound Tournament Charter
- Southeastern Sportfishing – Chandeleur Island
- Southern Access Charters -
- Southern Addiction Outfitters
- Southern Addiction Outfitters II
- Southern Angler Fishing Charter
- Southern Angler Fishing Charter
- Southern Angler Fishing Charters
- Southern Angler Fishing Charters
- Southern Angler Fishing Charters
- Southern Angler Fishing Charters
- Southern Bend Inshore – Blazer Bay
- Southern Bend Offshore – Miss Ginger
- Southern Bend Offshore – Tide Ryder
- Southern Breeze Charters
- Southern California Adventure
- Southern Charm Charters
- Southern Charter Co – Cape Coral
- Southern Charter Co – Murrells Inlet
- Southern Comfort Guide Service
- Southern Comfort IV Charters
- Southern Comfort Striper Guide