Explore 320 dive and snorkel sites across Rottnest Island. Water temperatures range from 1–32°C. Home to 12 marine species.
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Monthly water temperatures, visibility conditions, and seasonal highlights
Rottnest Island enjoys remarkably consistent water temperatures year-round, ranging from 23°C to 26°C. Diving is comfortable in any season.
Highest-rated sites in Rottnest Island
Notable species found across Rottnest Island
Everything you need to know about diving and snorkelling in Rottnest Island
Rottnest Island has 320 dive and snorkel sites listed on Fin, including 188 scuba diving sites and 111 snorkelling sites. Sites range in depth from 1–500m and cater to all skill levels from beginner to advanced.
Water temperatures in Rottnest Island range from 1–32°C throughout the year. Visibility typically ranges from 1–60m.
Underwater visibility in Rottnest Island typically ranges from 1–60m. Conditions vary by season and location — sheltered bays and deeper sites often offer the best clarity.
Rottnest Island 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, Rottnest Island 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.
Yes, there are dive operators throughout Rottnest Island offering guided dives, courses, equipment hire, and snorkel tours. Browse our operators section above to find certified dive centres and compare services, ratings, and prices.
Browse all 320 dive and snorkel sites. Filter by skill level, depth, marine life, and more.
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Goby
Gobiidae spp.
16085 sites