Past and Present – Category Index
 A
 B
 C
- Caledonian MacBrayne
- Cargo Vessels
- Cargo from the Past
- Carnival Corporation & plc
- Carnival Cruise Lines
- Carnival UK
- Caronte & Tourist
- CDF Croisières de France
- Celebrity Cruises
- Celestyal Cruises
- Celtic Link Ferries
- Cobelfret (CLdN)
- Color Line
- Commodore Shipping
- Compagnie Maritime Maroco-Norvégienne (COMARIT)
- Compagnie Marocaine de Navigation (COMANAV)
- Condor Ferries
- Conferry
- Coopérative de Transport Maritime et Aérien (CTMA)
- Corsica Ferries – Sardinia Ferries
- Corsica Linea
- Costa Crociere
- Compagnie Tunisienne de Navigation (CTN)
- Creta Cargo Lines
- Cruise Ships
- Cruise from the Past
- Cruise & Maritime Voyages (CMV)
- Crystal – Exceptional at Sea. (ex Crystal Cruises)
- Cunard Line
- Current Local Ferry Fleet
 E
 F
 G
 H
 I
 J
 L
 M
 N
 P
 R
 S
- Saga Cruises
- Sally Line
- Salvage Tug
- SAOS Ferries
- Scandlines
- Schiaffino
- Sea Containers Ltd (SeaCo)
- Seabourn Cruise Line
- Seafrance
- Seajets
- Sealink
- Sealink British Ferries (SBF)
- Sealink Dieppe Ferries
- Seaspeed
- Seatruck Ferries
- Ships Taken Up From Trade (STUFT)
- Silja Line
- Silversea Cruises
- Smyril Line
- SocietĂ Navigazione Alta VelocitĂ (SNAV)
- Société Anonyme de Gérance et d’Armement (SAGA)
- Société Nationale des Chemins de fer Français (SNCF)
- SOL Continent Line
- South Eastern and Chatham Railway (SE&CR)
- Southern Railway
- Southern Region
- Speed Ferries
- Star Cruises
- Stena AB
- Stena Line
- Stoomvaart Maatschappij Zeeland (SMZ)
- Strintzis Lines
- Superfast Ferries
- Swan Hellenic Cruises
 T
 X
 Y
 Z