Observação de golfinhos no Algarve

Marine-biology-led dolphin watching and ocean safaris from Sagres, holding RNAAT and cetacean-observation permits, with a research arm.

Licensed boat tour operator departing Portimão Marina for Benagil Caves and dolphin watching trips with a marine biologist on board.

Family-run boat trips to Ponta da Piedade and Benagil, plus dolphin watching, from a Lagos-coast operator running for over 10 years.

Catamaran dolphin watching, cave and seabird trips from Porto da Baleeira, Sagres, guided by a marine biologist in three languages.

Dolphin and whale watching tours from Faro marina, run by marine biologists who also carry out photo-ID and acoustic research on local cetaceans.

Dolphin watching by RIB from Praia da Luz, three departures daily, free re-board guarantee if no dolphins are seen; trading since 1988.

Marine-biology-led dolphin watching from Lagos Marina since 2006, plus Benagil caves and an extended Expedition Into The Wild trip.

Coastal boat trips featuring dolphin watching and tours to Benagil Caves in the Algarve.

Dolphin-watching specialist in Lagos since 1999, running Europe's largest passenger RIB with a 95 percent dolphin-sighting rate, plus Benagil trips.

Family-run dolphin watching and Ria Formosa boat tours from Faro's Portas do Mar Pier, claiming a 95 percent sighting success rate.

Family-run boat trips from Sagres since 2003: dolphin and whale watching, cave exploration and sport fishing with a marine biologist aboard.