Sources · Destination Guide

Terceira Island

Historic wrecks in a UNESCO bay, lava caves, and seamount day trips in the Azores

View On Map

Research Sources

Destination Guide Sources For Terceira Island

Reference links used to build and maintain this guide.

32 sources • Updated Dec 13, 2025

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Dec 13, 2025.

Azores Scuba Diving (official tourism) - Terceira overview - Island-level scuba overview and planning context
Azores Scuba Diving (official tourism) - Gruta do Ilheu das Cabras - Depth, access, currents, and cave description including stingrays
Azores Scuba Diving (official tourism) - Cemiterio das Ancoras - Depth range and archaeological park anchor details
Azores Scuba Diving (official tourism) - Lidador - Historic wreck description and shallow profile notes
Azores Scuba Diving (official tourism) - Pedra Perdida - Depth and current notes for an exposed pinnacle site
Azores Scuba Diving (official tourism) - Santa Catarina - Beginner-friendly sheltered bay dive details
Azores Scuba Diving (official tourism) - Cinco Ribeiras - Sheltered site and cave complexity notes
Azores Scuba Diving (official tourism) - Calheta do Lagador - Sheltered shore-access site via Biscoitos bathing area
Azores Scuba Diving (official tourism) - Banco D. Joao de Castro - Seamount depth and current classification
Azores Scuba Diving (official tourism) - Underwater Archaeological Park of Angra Bay - Archaeological park overview (anchors and nearby wreck sites)
Azores Scuba Diving (official tourism) - Diving Code of Conduct - Responsible diving guidelines for the Azores
Azores Scuba Diving (official tourism) - Hyperbaric Chambers - Hyperbaric chamber availability across Azores island groups
Parques Naturais dos Acores - Ilheus das Cabras protected area - Protected area designation for Ilheus das Cabras
Parques Naturais dos Acores - Monte Brasil protected area - Protected area designation for Monte Brasil
Portal Azores (government) - Marine protected areas list - Azores marine protected areas reference list
Portal Azores (government) - Azores Marine Park announcement - Announcement of a broad Azores Marine Park and protection targets
ORCA - Dolphin Watching and Swimming Guidelines (Azores, Portugal) - Guidelines for dolphin watching and swimming behavior
International Whaling Commission - Whale Watching Handbook (Portugal: Azores) - Whale watching guidance and best practices for the Azores
Hospital de Santo Espirito da Ilha Terceira (HSEIT) - general contacts - Hospital contact reference
HSEIT - other emergency contacts (SOS) - Fire and police station contact reference for Terceira
DAN Europe - Contacts - Dive insurance and emergency contact reference
AtlanticoLine - ferry schedules - Official ferry operator schedule portal (seasonal changes apply)
Azores Airlines - flights to the Azores - Official airline destination information
European Commission - Schengen visa policy - Official Schengen visa framework and entry information
European Union - ETIAS - Official ETIAS information and rollout timeline
UNESCO World Heritage Centre - Angra do Heroismo - World Heritage listing for Angra do Heroismo
Montanheiros (Terceira) - Algar do Carvao - Official entry ticket and visitation info
Montanheiros (Terceira) - Gruta do Natal - Official entry ticket and visitation info
Visit Portugal - Biscoitos bathing area - Official tourism reference for the Biscoitos bathing area
Trails Visit Azores - Terceira - Official hiking trail directory for Terceira
Visit Azores - Octopus Diving Center - Example of a Terceira-based dive operator listing
PADI - Diving in Terceira Island - General seasonality, temperature, and visibility guidance for Terceira diving