Nishiizu, Shizuoka / 堂ヶ島天窓洞
Dogashima Tensodo Sea Cave
A huge sea cave carved by waves in tuff whose ceiling has fallen in like a skylight, lighting the water emerald and cobalt; it is seen by the Dogashima cave cruise boat or from the walking path above.
Last official check
26 Sept 2026
Traveler reports
0
Reports open in Phase 2
Next scheduled check
25 Dec 2026
Decide before you go
A short summary made from the official facts below. Check the rows for details.
- Getting there
- Train / Bus
- Admission
- Paid (see the price below)
- Closing days
- Has closing days (see below)
Before you go
Only facts we confirmed on official sources are shown. Anything else is marked “Not checked yet”.
- Opening hours
Varies by course (check the official site).
Checked 26 Sept 2026 on the official site- Closed
Varies by course (check the official site).
Checked 26 Sept 2026 on the official site- Admission
Adults from 1,500 yen, children from 750 yen (group and disability discounts).
Checked 26 Sept 2026 on the official site- Getting there
Tokai Bus from Shuzenji Station (Izuhakone Railway) to Dogashima.
Checked 26 Sept 2026 on the official site- Parking
Parking available (buses OK).
Checked 26 Sept 2026 on the official site- Payment
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
- Accessibility
Not checked yet — we have not confirmed this on an official source yet. Check with the spot before you go.
Found wrong or outdated information? Let us know
Address: Nishiizu, Shizuoka (Japanese address: 静岡県賀茂郡西伊豆町仁科堂ヶ島)
Official site: https://hellonavi.jp/spot/1425
Location
Smaller pins are other spots nearby.
Nearby spots
- No photo yetKannon Onsen, ShimodaShizuoka13 km away (straight line)
- No photo yetKawazu Seven WaterfallsShizuoka15 km away (straight line)
Photo: Σ64 / Wikimedia Commons, CC BY 3.0 (resized)Joren FallsShizuoka17 km away (straight line)- No photo yetRyugukutsu Sea CaveShizuoka21 km away (straight line)
- No photo yetIrozaki Ocean ParkShizuoka21 km away (straight line)
Distances are straight-line distances, not travel distances.
Crowds
- Crowd level
Not checked yet — no official source yet, and not enough traveler reports.
- Best time to visit
Around 11:00-13:00, when the sun is overhead, the blue is at its most vivid.
Checked 26 Sept 2026 on the official site- Peak time
Not checked yet — no official source yet, and not enough traveler reports.
- Busiest days
Not checked yet — no official source yet, and not enough traveler reports.
- Busiest season
Not checked yet — no official source yet, and not enough traveler reports.
- Latest traveler report
- None yet
Traveler crowd data by time of day appears after 5 traveler reports (0 so far).
You can check typical busy hours in Google Maps ("Popular times" on the place's page). Open this spot in Google Maps
Visiting respectfully
- RulesThe boat is easily affected by waves and may be cancelled even in fine weather; check the operating status online first. No pets.Checked 26 Sept 2026 on the official site
Verification log
- 26 Sept 2026First check · Tourism board · https://hellonavi.jp/spot/1425Fees, access, parking, cautions and rules, description and coordinates read from a tourism organization's site.