Shepherds spitssnuitdolfijn (Dutch)
Snaveldolfijn (Dutch)
Steller zeeleeuw (Dutch)
Subantarctische pelsrob (Dutch)
Sea otter (English)
Seals, sea lions and walruses (English)
Sei whale (English)
Shepherd's beaked whale (English)
Short-beaked common dolphin (English)
Short-finned pilot whale (English)
South African fur seal (English)
South American fur seal (English)
South American sea lion (English)
Southern bottlenose whale (English)
Southern elephant seal (English)
Southern right whale (English)
Southern right whale dolphin (English)
Sowerby's beaked whale (English)
Spectacled porpoise (English)
Sperm Whale (English)
Sperm Whale (English)
Spinner dolphin (English)
Stejneger's beaked whale (English)
Steller sea lion (English)
Strap-toothed whale (English)
Striped dolphin (English)
Subantarctic fur seal (English)
Susu (English)
Sotalia (French)
Sténo (French)