Welcome to Mar Scuba
Hammerhead seen at Mikomoto, off the coast of Shimoda, Japan

Photo of hammerhead at Mikomoto (Shimoda, Japan)
by Stephanie Stroup

Mar Scuba is the oldest running foreigner owned full service dive operation in the Tokyo area. We provide PADI scuba instruction, dive tours and dive equipment to residents of Tokyo and the surrounding areas as well as to visiting divers. Courses and tours are primarily in English (native language) but can also be offered in Japanese.

Mar Scuba News & Upcoming Events   

Thank you for your thoughts and prayers for the people affected by the Tohoku Earthquake and Pacific Tsunami. At Mar Scuba, dive tours, scuba training, and social events have resumed.

The current calendar is online with the schedule of planned dive tours and courses.

Scuba diving is year round, with most of the tours from April/May to November. If you have a request to go diving, please drop us an email and let us know.

Please view our calendar page or join our mailing list (newsletter) for advance notice of events. Links in left side bar.

Dive with Mar Scuba

We specialize in scuba diving tours to the Izu Penninsula, as well as destinations across Japan and worldwide. Dive sites are chosen to meet the needs of the divers in each group, and we offer personalized training for those who are looking to expand their scuba skills.

English speaking dive guides provide individualized, personal service in a non-competitive and relaxed atmosphere. Dive tours are offered on weekends and national holidays. For safety and service, we usually have no more than 6 divers per dive guide.

Diving near Tokyo   MORE >

The best diving near Tokyo and surrounding areas (Kanagawa, Saitama) is on the Izu Penninsula, about 100 kilometers away from Tokyo. The most popular dive site with easy access is Atami, a 45 minute bullet train ride from Tokyo/Shinagawa station. On the west side of Izu, Osezaki has dependable conditions even with approaching typhoons. Furthest south on the peninsula, Mikomoto offers diving for qualified advanced expert divers. In Izu, we visit a variety dive sites for every skill level.

Diving around the World   MORE >

We also have dive tours to destinations around the world. For example, just a few hour plane ride away from Japan, in Micronesia, Guam, Saipan, and Rota offer some of the best diving in the world.

For those who want to be spoiled and dive as much as possible, we offer trips on the Aggressor Fleet and Mike Ball liveaboards. The diver will feel like royalty with the VIP pampering and service.

We hope that you can join us in the ocean soon!


Mustangs, Vikings, and active duty military, please contact Matthew for special offers.