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OSE Cape – DIVE PACKAGES
Whether you're called by the rhythm of the ocean, the tranquility of the forest, or the presence of mount Fuji, the OSE experience is unlike any other.
Cape OSE – Dive Into Tranquillity
Whether you're called by the rhythm of the ocean, the tranquility of the forest, or the presence of mount Fuji, the OSE experience is unlike any other.
Dive Deeper. Breath Slower. Return Charged
ADEX OG Special Dive Packages
Explore our exclusive dive packages:
- 1. Interlude Package (3 Nights / 6 Dives) – 1400 USD
- 2. Immersion Package (4 Nights / 8 Dives) – 1600 USD
- 3. Indulgence Package (5 Nights / 10 Dives) – 1800 USD
- 4. Intense Package (6 Nights / 12 Dives) – 2000 USD
- 5. In-Depth Package - Four Seasons (Four x Four Immersion Packages over 25 months) – 5600 USD
Dive Package Details
All prices are based on twin-share accommodation
All Packages Include:
- Twin-share stay at Nature Inn OSEKAN with views of Suruga Bay & Mt Fuji
- All Guided dives, tanks, and dive planning
- Private round-trip transfers from Haneda Airport (Tokyo)
- Daily Meals: Arrival Day - Dinner, Full Days - Breakfast Lunch and Dinner, Departure Day - Breakfast
Add Ons:
- Additional night: SGD 300 per person twin share
- Single Supplement: SGD 150/night
ADEX Group Special : 5 paying Guest, 1 FOC.
In-Depth Package - A Year-Round Journey
Four Seasons - Four Immersive Visits - 30 Dives Total
Experience Osezaki's season underwater beauty through four immersive 5-day stays ( 8 dive each), designed for transformation and connection.
Bonus Privileges for In-Depth Guests:
- Personalized Underwater Photo Session - 1 per visit
- Exclusive Seasonal Marine Life Briefings - Led by local dive experts
- Invitation-Only gatherings at OSEKAN - Connect with divers, photographers and locals
- nature Inn Ambassador membership - Concierge support, priority access and member-only perks
Your Experience Awaits
Book your escape at OSEKAN with Ocean Geographic
for more information contact - This email address is being protected from spambots. You need JavaScript enabled to view it.
Pay a Deposit & Book your Adventure
Osezaki is Japan’s best-kept secret. Tucked away on the rugged Izu Peninsula, this sanctuary offers stillness, spirit, and spectacular natural beauty. With its serene coastline, lush volcanic terrain, and sparkling waters teeming with life, Cape OSE is a transformative escape for nature lovers, divers, and seekers of inner peace.
Cape OSE – Dive Into Tranquillity
"Where the sacred mountain meets the soul of the sea."
Osezaki is Japan’s best-kept secret. Tucked away on the rugged Izu Peninsula, this sanctuary offers stillness, spirit, and spectacular natural beauty. With its serene coastline, lush volcanic terrain, and sparkling waters teeming with life, Cape OSE is a transformative escape for nature lovers, divers, and seekers of inner peace.
Indulge in the View – Mt. Fuji on the Horizon
Stand at the edge of Osezaki Bay and witness the majestic silhouette of Mount Fuji rising in the distance.
This is one of the rare places where you can watch the sacred mountain meet the sea. The serenity of the bay and the spiritual energy of Fuji create a memory that lingers—and calls you back.
Immerse in Japan’s Underwater Gem
“Underwater Osezaki is my new Favourite Place to Dive!” – Michael AW
Beneath the calm surface of Osezaki Bay lies one of Japan’s most captivating marine ecosystems. Divers and snorkelers return in every season to explore its vibrant underwater landscapes, unique slopes, and the rich biodiversity of Suruga Bay.
Inside the Bay – Calm Waters, Lush Life:
- Seaweed forests teeming with damselfish and frogfish
- Nudibranchs, pygmy seahorses, and rare deep-sea critters
- Dark volcanic sands are ideal for macro photography
- Meditative, beginner-friendly dive conditions
Cape front and Outer Bay – Wild & Wonderful:
- Dramatic drop-offs and soft coral forests
- Up to seven species of fairy basslets (Anthias)
- Encounters with mola mola, blanket octopus, rays, oarfish
- Perfect for adventurous divers and marine biologists
Every dive at Cape OSE is an encounter with the raw, undisturbed pulse of the ocean—alive, pristine, and endlessly fascinating.
Sacred Ground, Soulful Escape
Experience the harmony of nature and spirituality as you walk the shrine trail or simply take in the peaceful surroundings of Osezaki.
Osezaki is home to a centuries-old shrine (625 AD) and steeped in local folklore, Cape OSE isn’t just a destination—it’s an experience. Wander coastal trails, connect with the elemental beauty of the landscape, or simply sit and listen to the waves in quiet reflection.
Explore Cape OSE's spiritual heart through:
- Ancient cliff-side shrines
- Quiet forest trails
- Meditative viewpoints overlooking the sea
- Sunset rituals and seasonal ceremonies
- Ancient mysterious lake filled with aquatic life
Stay at Nature Inn Osekan - Premium Comfort for Ocean Explorers
Relax in comfort at Nature Inn OSEKAN, where traditional Japanese hospitality meets breathtaking ocean views.
Just steps from the shoreline, Nature Inn OSEKAN offers quiet luxury tailored to divers, nature seekers, and wellness travelers
Why Stay at Nature Inn OSEKAN :
- Elegant Japanese-modern rooms with views to the sea & Mount Fuji
- On-site dive gear facilities and expert guidance by Mikiya Wakamatsu
- Restorative hot baths and cuisine by celebrity chef Tetsuto Kajihara
- Wellness offerings: yoga, tea rituals and post-dive recovery
Every detail at Nature Inn OSEKAN is designed to support your transformation through nature and mindful living.
Your Experience Awaits
Whether you're called by the rhythm of the ocean, the tranquility of the forest, or the presence of mount Fuji, the Cape OSE experience is unlike any other.
Book your escape at Nature Inn OSEKAN with Ocean Geographic: This email address is being protected from spambots. You need JavaScript enabled to view it.
Dive Deeper. Breath Slower. Return Charged
OG Special Dive Packages
Explore our exclusive dive packages:
- 1. Interlude Package (3 Nights / 6 Dives) – 1400 USD
- 2. Immersion Package (4 Nights / 8 Dives) – 1600 USD
- 3. Indulgence Package (5 Nights / 10 Dives) – 1800 USD
- 4. Intense Package (6 Nights / 12 Dives) – 2000 USD
- 5. In-Depth Package - Four Seasons (Four x Four Immersion Packages over 25 months) – 5600 USD
AZORES, the forgotten Galapagos of the Atlantic
by Alice Soccodato PhD
Principal Photographer – Michael AW
Many know of the illustrative Galapagos islands, a hot spot of biodiversity and endemicity in the middle of the Pacific Ocean. Charles Darwin elaborated the theory of evolution based on the seven finches and 14 tortoise species of the Galapagos’ 14 islands. But few know about the Azores, which is equally remote and biologically rich like Galapagos, in the middle of the Atlantic Ocean.
Revival of the Southern Right Whales
Text and images by Clark Miller and Adriana Basques
Less than a century has passed since the journey of Southern Right whales from Antarctica to South America was cut short by the whaling industry. Each subsequent year saw fewer and fewer whales arriving back from the Southern Oceans to the matting grounds of Peninsula Valdez in Argentina to give birth to their young and mate before returning south again
The Diminishing Antarctic Currents
By Laura McGovern Olszewski
The cycle of warming-melting-dilution-slowing-warming must be corrected as quickly as possible or the livelihood of every living being on Earth is at stake. It is no longer just about future generations; it is about every generation.
The Eastern Australian Current
by Sheree Marris
The East Australian Current (EAC) runs north to south from the top end of the Great Barrier Reef to the southern reaches of Tasmania. A staggering 100 kilometres wide and running over 500 metres into the dark depths of the ocean, the EAC spans the length of the east coast of Australia measuring around 4,000 kilometres.
Global Coral Reefs - Crisis Expedition Assessment
by Sheree Marris
Over half a billion people rely upon coral reefs for their for their livelihoods, food and culture. The health of entire economies and communities are built around coral reefs.
Read more: Global Coral Reefs - Crisis Expedition Assessment
Blue Carbon - Our planets largest carbon sink
by Alex Rose & Michael AW
The nature of the Blue Carbon Ecosystem has led to a rich, varied and cross-disciplinary research that spans biophysical sciences, conservation, economics, policy and law, leading to unprecedented levels of collaboration among contributors in different disciplines, institutions and governments geared toward conserving and restoring coastal ecosystems to mitigate greenhouse gas emissions.
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