Shark Fin

Type:

Scuba DivingFreediving

Entry:🏖️Shore Entry

Difficulty:Beginner

Tags:

Cave

About This Dive Spot

This shore-access dive spot sits close to the coastal road between Rankoshi Ocean Road and Iwanai City. Entry is straightforward via stairs, and the area by the entry has basic amenities. Underwater, it is a rocky site with caves among stones, with areas where you can swim into cave spaces. Seaweed and other marine plants create a garden-like habitat that attracts small fish, along with invertebrates hiding in crevices.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Overhead environment

Safety notes

The shoreline is rocky; suitable footwear is recommended for walking to and from the entry. Take care when swimming into cave areas.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Described as suitable for open-water level divers.

Freedive

Identified as a good freediving location.

Dive Spot Log Averages

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Spots Near Shark Fin

📍 1.4 km

Long Beach

🏖️

This coastal dive spot sits at one end of a wide sandy beach. Entry is described as easy, with a short walk needed to reach the water with gear. Underwater, the area features caves and rock-lined sections with marine plants and small fish, offering varied terrain for exploration. Moon jellyfish are reported frequently.

📍 47.9 km

Mikuni Takara Island West

⚓

This is a boat-entry dive site off Shakotan, Hokkaido, reached in about 5–{{ 10 | duration:minutes }}utes from the nearby port. It is known for very clear blue water and dramatic underwater topography. The terrain includes columnar rock formations along with crevasses and tunnel-like features that create an intricate underwater landscape.

📍 49.7 km

Nagashima Kaiba 1

Not Set

This dive area is located around a prominent cape in northwestern Hokkaido, at the northern tip of the Shakotan region. The cape is known for its scenic coastline and is designated as Hokkaido’s only underwater park. Seasonal pelagic wildlife may be encountered offshore, including tuna in early autumn and pods of large whales in warmer months, with orcas reported in spring.

📍 51.0 km

Candle Rock

Not Set

Candle Rock features large rocks with caves and crevices that offer room to swim through and explore. The rocky structure is covered with seaweed and other aquatic plants, creating a garden-like underwater scene. Marine life is concentrated in the gaps between stones, where divers and snorkelers can observe small fish and invertebrates such as snails, octopuses, and sea stars.

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Frequently Asked Questions

What's the best entry point at Shark Fin?

Entry at Shark Fin is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Shark Fin?

Optimal conditions at Shark Fin depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Shark Fin?

Depth and visibility information for Shark Fin can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Shark Fin?

When diving Shark Fin, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.