All Boating Charters
- Seas 2 Trees Outdoors, LLC
- Seas N' Cays Cruises – 42' Summer Wind
- Seas N' Cays – 42' Double Decker Catamaran
- Seas The Day - Pura Vida SXM 48ft
- Seas The Day Boat Tours
- Seas The Day – Bliss Boat Charter SXM
- Seas The Day – Inflatable Dingy
- Seas the Day Honolulu
- Seascape Algarve – Blueberry
- Seascape Algarve – Cranchi Mediterranee
- Seascape Charters
- Seashine Amalfi Coast Charter
- Seaside Charter Co. Island Excursions Topsail
- Seaside Charter Company Island Excursions WB
- Seaside Napoli
- Seaspray
- Seatours Speed Boat – Barracuda 545
- Seatours Speed Boat – Cayman 585
- Seatours Speed Boat – Marinello Eden 22
- Seatours Speed Boat – Marinello Eden 590
- Seatours – Bavaria Vision 46ft
- Seatours – Catamaran My Joy
- Seattle & Puget Sound - Private Yacht Charter
- Seaventure Dubrovnik – Cap Camarat 6.5WA
- Seaventure Dubrovnik – Karnic SL 741
- Seawalker Excursions
- Seawater Society Charters Malta
- Seañorita 43ft Sea Ray Sundancer
- Second Chance Fishing Charters LLC
- Second Generation Bay Boat Charters
- Second Generation Fishing Charters Key West
- Second Sport Charters
- Secret Bays LLC
- Secret Cays Bahamas
- Secret Coast Fishing Charters
- Seek N Fishing Charter
- Selenim Yachting
- Semi-Sub Seychelles Ltd
- Sense Of Nature Safaris – Ali Boat Maun GT 80
- Serene Yachts – Princess Marya
- Serene Yachts – Sleek
- Serenity Boat Charters-Bluelagoon,Comino&Gozo
- Serenity Charters TCI
- Serenity Sea Tours
- Serenity Speedboat Hurghada
- Serenity Sunset Cruise Destin FL
- Sestri Sea Service – Callegari 690
- Sestri Sea Service – Eolo 6.9
- Sestri Sea Service – Mirò Bat 23
- Set 'Em Up Ecological Adventures
- Set Sail Tours
- Setsail World – Experience No Noise Sailing
- Seven Day’s Snorkeling
- Seven Star Dinner Cruise
- Sg Group Boat Charter Naples – Bombastica 28
- Sg Group Boat Charter Naples – Darlin 25
- Sg Group Boat Charter Naples – Squalo Junior
- Shaggy's Diving
- Shala River Tour from Komani Lake
- Shallow Water Experience LLC
- Shangri-la Yacht Rentals Vancouver – Dave
- Shangri-la Yacht Rentals Vancouver – Kane
- Shangri-la Yacht Rentals Vancouver – Maxum
- Shared Boat Trip to the Island & Snorkeling
- Sharkcana Yachts – Private Yacht Excursions
- Shark’s Tours
- Sharm Activities
- Shasa Catamaran Cruises
- Shearwater Charters
- Shell Island Dolphin Tour
- Shell island tour
- Shelton's Charter Fishing
- Shockwave Charters
- Shoki Charters
- Shooter Dog Cruises
- Shore Chaos Charters
- Shore Service
- Shore Thing Charters OCNJ
- Shore-Thing Charters
- Short Skirts Sportfishing
- Shotime Charters
- SiP Travel – Blue Cave Adventure
- SiP Travel – Boka Bay Tour
- Sicily Fishing Charter
- Sicily Yachting Club
- Sick Day Boat Tours – San Diego
- Side Boat Tour – İlyas Reis 1
- Side Quest Charters
- Sidekick Charters
- Sierra Surf House
- Siesta Boat Charters
- Siesta Key Snorkel
- Sightseeing,Booze,Sunset and Lake Boca Cruise
- Signature Island Charters
- Silvana Yacht
- Silver Dollar Charters
- Silver Line Yachting – BVI 2026 "Painkiller"
- Silver Thatch Watersports – Diver
- Silver Thatch Watersports – MB
- Silver Thatch Watersports – Silver Thatch II