Explore 117 dive and snorkel sites across Portland. Water temperatures range from 8–29°C. Home to 12 marine species.
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Monthly water temperatures, visibility conditions, and seasonal highlights
Water temperatures in Portland peak at 19°C in February and cool to 13°C in August. A full wetsuit or drysuit is recommended, especially during the colder months.
Highest-rated sites in Portland
Notable species found across Portland
Everything you need to know about diving and snorkelling in Portland
Portland has 117 dive and snorkel sites listed on Fin, including 86 scuba diving sites and 46 snorkelling sites. Sites range in depth from 1–100m and cater to all skill levels from beginner to advanced.
Water temperatures in Portland range from 8–29°C throughout the year. Visibility typically ranges from 1–60m.
Underwater visibility in Portland typically ranges from 1–60m. Conditions vary by season and location — sheltered bays and deeper sites often offer the best clarity.
Portland is home to 12 marine species recorded across its dive sites. The region's waters support a diverse range of marine life including reef fish, invertebrates, and pelagic species. Check individual dive site pages for detailed species lists and seasonal sighting information.
Yes, Portland offers dive and snorkel sites for all experience levels. Many sites are rated for beginners with calm, shallow conditions. Use the skill level filter on Fin to find sites matched to your ability.
Browse all 117 dive and snorkel sites. Filter by skill level, depth, marine life, and more.
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Goby
Gobiidae spp.
16085 sites
