Sources · Destination Guide
Terceira Island
Historic wrecks in a UNESCO bay, lava caves, and seamount day trips in the Azores
Updated Dec 13, 2025 • 32 sources
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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