• Tenerife - Gran Canaria
  - Santa Cruz de Tenerife (north-east of the island) <-> Puerto de Las Palmas (north-east of the island)
  -- ferrys (Naviera Armas) : 2 per day or (Trasmediterranea) : 2 per week
  
  - Santa Cruz de Tenerife (north-east of the island) <-> Agaete harbour (north-west of the island)
  -- fast ferry (Lineas Fred.Olsen) : 8 per day

• Tenerife - La Gomera
  - Reina Sofía Airport (Tenerife south) -> Gare Maritime of Los Cristianos : 12 km
  -- taxi : 20 mn (the easiest, and rather cheap)
  -- regular buses from TITSA company.
  
  - Los Cristianos harbour (south of Tenerife) -> San Sebastián de la Gomera : 28 km
  -- fast ferry (Lineas Fred.Olsen) : 45 minutes (4 or 5 per day)
  -- ferrys (Naviera Armas) : 1 h 30 (2 per day)
  
  - Santa Cruz de Tenerife (north-east of the island) -> San Sebastián de la Gomera : 98 + 28 km
  -- Los Rodeos airport (Tenerife North) -> Santa Cruz bus station : bus or taxi.
  -- Santa Cruz bus station or Santa Cruz harbour -> Los Cristianos harbour : 1h30 before each ferry's departure.
  
  - Valle Gran Rey - Playa Santiago - San Sebastián (La Gomera) <-> Los Cristianos (Tenerife South)
  -- fast ferry (Garajonay Expres) : 45 minutes (3 per day)
  

• Tenerife - La Palma
  - Los Cristianos (south of the island) < -> Santa Cruz de La Palma (east of La Palma)
  -- ferry (Lineas Fred.Olsen) : 1 per day
  -- ferrys (Trasmediterranea) : 1 or 2 per week
  
  - Santa Cruz de Tenerife (north-east) <-> Santa Cruz de La Palma (east of the island)
  -- ferry (Naviera Armas) : 3 per week
  

• Tenerife - El Hierro
  - Los Cristianos (south of Tenerife) < -> Valverde (north of El Hierro)
  -- ferry (Fred Olsen) : 1 per day
  -- ferrys (Naviera Armas) : 1 per day
  
  
• Tenerife - Fuerteventura
  - Santa Cruz de Tenerife (north-east of Tenerife) < -> Puerto de Rosario (north-east)
  -- ferry (Naviera Armas) : 1 per week
  
  
• Tenerife - Lanzarote (Arrecife)
  - Santa Cruz de Tenerife (north-east of Tenerife) < -> Arrecife (east of Lanzarote)
  -- ferry (Naviera Armas) : 3 per week

The timetables and frequencies are subject to frequent changes, so always check them directly with the companies :