Sea Slugs in Simono kura, Amakusa 77
Partner Dive Shop
Yokayoka Diving
A nudibranch-specialised beach and boat diving service in Amakusa — with English-speaking guides.
Mainly relaxed beach diving for nudibranch spotting, drawing from 40+ dive sites across the region, matched to your level and requests.
The newly built lodging "Umiyado Yokayoka" is on-site, with night dives also welcome.
Pick-up service may be available outside peak season.
See the shop website for details (Nudibranch Diving / Nudibranch Dive Safari).
Shooting Location
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Best Time to Dive in Simono kura
115
Total Observations
14.0°C -
28.0°C
Water Temperature Range
May
,
Jun
,
Jul
Peak Season
60
Peak Observations
Monthly Diving Activity & Water Temperature
Observations
Water Temperature
Higher bars indicate peak diving activity
Planning Your Dive Trip
- Best for beginners: Peak Activity season (peak activity)
- Water temperature: 14.0°C - 28.0°C range
- Peak observations: 60 in Peak Activity
- Year-round diving: 115 total observations recorded
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