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This image is a composite created using only marine life encountered off Kume Island in 2025. |
| Set | Arrival | Dive Schedule | Days / Dives | Departure | Notes |
|---|---|---|---|---|---|
| 5A | 01 May (Fri) | 01–05 May | 5 days / 10 dives | 06 May (Wed) | beginning of the blackwater season 22~24℃ |
| 5B | 06 May (Wed) | 06–09 May | 4 days / 8 dives | 10 May (Sun) | beginning of the blackwater season 22~24℃ |
| 7A Fully booked | 17 July (Fri) Waiting list available | 17–21 July | 5 days / 10 dives | 22 July (Wed) | calm season 27~28℃ |
| 7B | 22 July (Wed) | 22–25 July | 4 days / 8 dives | 26 July (Sun) | calm season 27~28℃ |
| 7C | 26 July (Sun) | 26–30 July | 5 days / 10 dives | 31 July (Fri) | calm season 27~28℃ |
| 7D | 31 July (Fri) | 31 July – 03 Aug | 4 days / 8 dives | 04 Aug (Tue) | calm season 27~28℃ |
| 8A | 04 Aug (Tue) | 04–07 Aug | 4 days / 8 dives | 08 Aug (Sat) | calm season 27~28℃ |
| 8B Fully booked | 08 Aug (Sat) Waiting list available | 08–11 Aug | 4 days / 8 dives | 12 Aug (Wed) | calm season 28~30℃ |
| 8C | 12 Aug (Wed) | 12–15 Aug | 4 days / 8 dives | 16 Aug (Sun) | calm season 28~30℃ |
| 8D | 16 Aug (Sun) | 16–20 Aug | 5 days / 10 dives | 21 Aug (Fri) | calm season 28~30℃ |
| 8E | 21 Aug (Fri) | 21–25 Aug | 5 days / 10 dives | 26 Aug (Wed) | calm season 28~30℃ |
| 8F Fully booked | 26 Aug (Wed) Waiting list available | 26–29 Aug | 4 days / 8 dives | 30 Aug (Sun) | calm season 28~30℃ |
| 9X | 30 Aug (Sun) |
31 Aug-15 Sep Customizable period |
Accept group bookings (5–7 people) under a custom plan | Available for group bookings only | An estimate will be provided based on the plan you choose. 28~30℃ |
We are pleased to announce that reservations for the 2026 Kume Island Blackwater Dive are now open.
The boat can accommodate up to seven guests, and reservations will be accepted on a first-come, first-served basis. Please note that depending on the timing of your application, the slots may already be full. In such cases, we can place you on a waiting list upon request.
For guests who will be joining a Blackwater Dive for the first time, we will review your experience and skill level to confirm that you meet the participation requirements. We appreciate your understanding.
For details and reservations, please proceed from the link below.
Guidance and Information (PDF Download)
Guidance and Information (PDF Download)
We look forward to blackwater diving with you.
The following guidance is for Japanese guests.

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