| Japanese | |
|---|---|
| Akira's Home Page | Freediving infomation, etc. |
| skindiving page | |
| Skin diving circle | |
| Snorkeling net apner | |
| Snorkeling West Japan | |
| YFDC | YFDC Yokohama Free Diving Club |
| Overseas page | |
| apnee physiologie, records | (French) |
| AIDA | |
| AIDA France | AIDA France |
| AIDA Autriche | AIDA Austria |
| AIDA Suisse | AIDA Swiss |
| AIDA Deutschland | AIDA Deutschland |
| AIDA Denmark | AIDA Denmark |
| AIDA Suedois | Le Site des Suedois AIDA Sweden |