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Kamogawa & Sotobo hotels: 5 sea-view stays on Chiba's Boso coast
Approximate, at the rate on 2026-10-02. You pay in yen.
- Five Kamogawa hotels with the sea in view or a beach close by
- Weeknight rates with breakfast run from about ¥10,000 to ¥55,000 per person
- Zekuu gives every room an open-air bath; Rian has ten villas
The five
| Best for | Where to book | Score | Weeknight (per person) | Saturday |
|---|---|---|---|---|
| Every room has its own open-air bath facing the Pacific — if you can’t decide | Boso Kamogawa Onsen Zekuu Check price |
75/100 | ¥31,000–34,000 | ¥43,000–54,000 |
| Pacific sunsets from a 40 m hilltop — and the cheapest of the five | La Pista Hotel & Resort Check price |
70/100 | ¥10,000 | ¥14,000–15,000 |
| Ten ocean-view villas, with kaiseki served in your room | Kamogawa Onsen Rian Check price |
68/100 | ¥55,000–61,000 | ¥66,000–99,000 |
| Next door to Kamogawa Sea World, with free entry for guests | Kamogawa Sea World Hotel Check price |
67/100 | ¥12,000–17,000 | ¥26,000–31,000 |
| Ten minutes’ walk from Awa-Kamogawa, with staff who speak English | Kamogawa Grand Hotel Check price |
61/100 | ¥13,000–15,000 | ¥30,000–47,000 |
Prices are the cheapest per person found on Rakuten Travel for Wednesdays and Saturdays between 2026-11-04 – 2026-12-26, for 2 adults in one room (checked 2026-10-25). They move daily — the link shows live prices.
The booking links go to Agoda, which shows today’s price and lets you pay in your own currency. Its price can differ from the Rakuten Travel figures above.
Every room has its own open-air bath facing the Pacific
Reviews: Rakuten Travel 4.64/5 (605) · Agoda 8.8/10 (29) · 634 in total
- Renovated and reopened in March 2023
- At Futomi; Rakuten says the Pacific fills the view from the room
Why it made the five
- An open-air bath in every one of its 18 rooms, with the Pacific in view.
- Dinner rated 4.79 and rooms 4.75; 4.64 across 605 reviews.
- Ten minutes on foot from Futomi station, with a pick-up if you phone.
- About ¥31,000–34,000 per person on a weeknight with breakfast.
Getting there: Ten minutes on foot from Futomi station (JR Uchibo line); the inn will collect you from the station if you phone. If your car navigation cannot find ‘Zekuu’, search by its address or phone number. Twenty-one free parking spaces, first come first served.
Language and payment: English support is not published, so ask when you book. Rakuten states that credit cards are not accepted, so bring cash. Tattoo rules for the shared onsen baths are not published; every room has its own open-air bath. A ¥150 bathing tax is paid separately. Wheelchairs are accepted and can be borrowed.
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Right for: Soaking in your own open-air bath with the sea in front of you, and eating well.
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Not for: Paying by card — none are accepted.
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Worth knowing: Credit cards are not accepted. If your car navigation does not find ‘Zekuu’, search by its address or phone number.
Score breakdown — 75/100
| Criterion | Stars | Why |
|---|---|---|
| Quality | ★★★★★ | Room, bath and dinner average 4.72 on Rakuten Travel, and every room has its own open-air bath |
| Value for money | ★☆☆☆☆ | ¥31,000–34,000 per person on a weeknight (Rakuten, breakfast) — 217% of the median of everything we compared |
| Easy to stay | ★★★★★ | A pick-up from Futomi station (phone ahead); an open-air bath in every room, with the Pacific in view from the room; ten minutes on foot from Futomi station; renovated and reopened in March 2023, 18 rooms; an onsen large bath and open-air bath; credit cards not accepted. |
| Trust | ★★★★☆ | 4.64 across 605 reviews (Rakuten Travel 605) |
| Only here | ★★★★☆ | All 18 rooms have their own open-air bath, and Rakuten’s listing says each looks out over the Pacific. |
Pacific sunsets from a 40 m hilltop — and the cheapest of the five
Reviews: Rakuten Travel 4.30/5 (570)
- Formerly the Kamogawa Hills Resort Hotel
- Rakuten sells it on the Pacific view and the sunsets
- Rooms rated 4.47
Why it made the five
- On a hilltop 40 m up, looking out over the Pacific.
- About ¥10,000 per person on a weeknight with breakfast — the cheapest of the five.
- Meals in a private room or the restaurant; a private bath, 15:00–24:00.
- Pick-up bus from Awa-Kominato station, about five minutes (phone 12:00–18:00).
Getting there: About five minutes by the hotel’s pick-up bus from Awa-Kominato station (JR Sotobo line); phone when you arrive, between 12:00 and 18:00. Fifty free parking spaces.
Language and payment: English support is not published, so ask when you book. Rakuten lists Visa, Mastercard, JCB, American Express, Diners Club and other cards. Tattoo rules for the large baths are not published; there is a private bath for your own party. A ¥150 bathing tax per adult is paid at checkout.
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Right for: Watching the sun go down over the sea without paying resort prices.
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Not for: Wanting an open-air bath — Rakuten’s bath listing shows none, and the bath is rated 3.97.
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Worth knowing: The pick-up bus runs 12:00–18:00; phone from the station when you arrive.
Score breakdown — 70/100
| Criterion | Stars | Why |
|---|---|---|
| Quality | ★☆☆☆☆ | Room, bath and dinner average 4.13 on Rakuten Travel |
| Value for money | ★★★★★ | ¥10,000 per person on a weeknight (Rakuten, breakfast) — 71% of the median of everything we compared |
| Easy to stay | ★★★★★ | A pick-up bus from Awa-Kominato station, about five minutes (phone on arrival, 12:00–18:00); meals in a private room; an ocean view from a 40 m hilltop over the Pacific, known for its sunsets; breakfast and dinner in a private room or the restaurant; a private bath, 15:00–24:00; two large baths, on the second floor of the main building and the sixth floor of the tower. |
| Trust | ★★☆☆☆ | 4.3 across 570 reviews (Rakuten Travel 570) |
| Only here | ★★★☆☆ | It looks down on the Pacific and its sunsets from a 40 m hilltop, and its 4.47 room score is the third highest of the eight we compared, after Rian and Zekuu. |
Ten ocean-view villas, with kaiseki served in your room
Reviews: Rakuten Travel 4.62/5 (49) · Agoda 8.4/10 (5) · 54 in total
- Every Rakuten category score is above 4.5
- The dearest of the five
Why it made the five
- Ten detached villas, all with an ocean view; opened in summer 2022.
- Kaiseki dinner and breakfast in your room or a private room.
- Bath rated 4.81, room 4.77; 4.62 across 49 reviews.
- Check-out 11:00, the latest of the five.
Getting there: About ten minutes by car from JR Awa-Kamogawa station, with a free pick-up you book in advance. Twelve free parking spaces.
Language and payment: Per Rakuten, a few staff understand a little English. Rakuten lists Visa, Mastercard, JCB, American Express, Diners Club and other cards. Tattoo rules for the onsen open-air bath are not published, so ask when you book. Room service and massage are available, and there is a room for wheelchair users. A ¥150 bathing tax is paid separately.
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Right for: An anniversary in a villa by the sea, with dinner brought to you.
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Not for: Only 49 reviews so far, and you cannot walk from the station.
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Worth knowing: The free pick-up from the station must be booked in advance.
Score breakdown — 68/100
| Criterion | Stars | Why |
|---|---|---|
| Quality | ★★★★☆ | Room, bath and dinner average 4.72 on Rakuten Travel |
| Value for money | ★☆☆☆☆ | ¥55,000–61,000 per person on a weeknight (Rakuten, breakfast) — 392% of the median of everything we compared |
| Easy to stay | ★★★★★ | Check-out 11:00; a free pick-up from Awa-Kamogawa station, booked in advance; breakfast and dinner in your room or a private room; ten detached villas, all with an ocean view; about ten minutes by car from Awa-Kamogawa; a few staff understand a little English; an onsen open-air bath; room service and massage. |
| Trust | ★★★☆☆ | 4.62 across 49 reviews (Rakuten Travel 49) |
| Only here | ★★★★★ | Opened in summer 2022, all ten rooms are detached villas with a sea view, and it is the only one of the eight that serves its kaiseki dinner in your own room. |
Next door to Kamogawa Sea World, with free entry for guests
Reviews: Rakuten Travel 4.31/5 (3,643) · Agoda 8.2/10 (230) · 3,873 in total
- Register at the front desk and walk straight across to the aquarium
- An onsen large bath
Why it made the five
- Free entry to Kamogawa Sea World, next door, for hotel guests.
- Every room has an ocean view.
- Free Sea World shuttle from Awa-Kamogawa’s west exit, about five minutes.
- 4.31 across 3,643 reviews — the most of the eight.
Getting there: About five minutes on the free Kamogawa Sea World shuttle bus from the west exit of JR Awa-Kamogawa station; get off in front of the hotel. Seventy free parking spaces.
Language and payment: English support is not published, so ask when you book. Rakuten lists Visa, Mastercard, JCB, American Express, Diners Club and many other cards, and debit cards. Tattoo rules for the onsen large bath are not published, so ask first. A ¥150 bathing tax per adult (junior-high age and over) is paid separately.
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Right for: Families who want the aquarium and the sea from the same hotel.
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Not for: Rooms (3.96), facilities (3.80) and the bath (3.83) score well below its service (4.44).
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Worth knowing: Bookings start at two adults per room; one adult travelling with one child pays two adult rates.
Score breakdown — 67/100
| Criterion | Stars | Why |
|---|---|---|
| Quality | ★☆☆☆☆ | Room, bath and dinner average 3.99 on Rakuten Travel |
| Value for money | ★★★★☆ | ¥12,000–17,000 per person on a weeknight (Rakuten, breakfast) — 88% of the median of everything we compared |
| Easy to stay | ★★★★★ | About five minutes on the free Kamogawa Sea World shuttle from Awa-Kamogawa’s west exit, stopping at the hotel; next door to Kamogawa Sea World, with free entry for guests; every room has an ocean view; an onsen large bath; 70 free parking spaces. |
| Trust | ★★☆☆☆ | 4.31 across 3,643 reviews (Rakuten Travel 3,643) |
| Only here | ★★★★★ | It stands beside Kamogawa Sea World, and it is the only one of the eight whose guests get into the aquarium free. |
Ten minutes’ walk from Awa-Kamogawa, with staff who speak English
Reviews: Rakuten Travel 4.17/5 (2,527) · Agoda 8.3/10 (579) · 3,106 in total
- Awa-Kamogawa is where the Wakashio from Tokyo arrives
- Ganbanyoku is a heated stone bed
- 2,527 reviews
Why it made the five
- Ten minutes on foot from Awa-Kamogawa station; the highway bus stops a minute away.
- A few staff handle everyday matters in English, per Rakuten.
- Onsen large bath, open-air bath, sauna and ganbanyoku.
- Free shuttle to Kamogawa Sea World, two minutes by car.
Getting there: Ten minutes on foot from JR Awa-Kamogawa station, or a free station pick-up booked by phone (runs 9:00–18:00). One minute on foot from the Kamogawa Grand Hotel-mae highway bus stop. About 35 km from Kimitsu IC; 100 free parking spaces.
Language and payment: Per Rakuten, a few staff can handle everyday matters in English. Rakuten lists Visa, Mastercard, JCB, American Express, Diners Club and Discover. Tattoo rules for the shared baths are not published, so ask when you book. A ¥150 bathing tax per guest aged 12 and over is paid at the hotel. Free Wi-Fi in every room.
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Right for: Arriving by train or highway bus and wanting staff who speak some English.
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Not for: Its 4.17 average is the lowest of the five, and facilities are rated 4.03.
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Worth knowing: The station pick-up must be booked by phone (9:00–18:00). A ¥150 bathing tax is paid separately.
Score breakdown — 61/100
| Criterion | Stars | Why |
|---|---|---|
| Quality | ★☆☆☆☆ | Room, bath and dinner average 4.21 on Rakuten Travel |
| Value for money | ★★★★☆ | ¥13,000–15,000 per person on a weeknight (Rakuten, breakfast) — 92% of the median of everything we compared |
| Easy to stay | ★★★★★ | A free pick-up from Awa-Kamogawa station, booked by phone (9:00–18:00); ten minutes on foot from Awa-Kamogawa station and one from the Kamogawa Grand Hotel-mae highway bus stop; a few staff can handle everyday matters in English; a resort hotel looking out over the sea; a free shuttle to Kamogawa Sea World, two minutes by car; an onsen large bath, open-air bath, sauna and ganbanyoku. |
| Trust | ★☆☆☆☆ | 4.17 across 2,527 reviews (Rakuten Travel 2,527) |
| Only here | ★★★☆☆ | Of the eight we compared, the only one whose Rakuten listing says a few staff can handle everyday matters in English. |
Know before you book
- Awa-Kamogawa is the main station. The Wakashio limited express runs there from Tokyo Station along the JR Sotobo line in about two hours, and it is also where the Sotobo line meets the Uchibo line, which follows the west side of the peninsula.
- Highway buses from Tokyo cross Tokyo Bay on the Aqua-Line and run down to Kamogawa. One of the five, Kamogawa Grand Hotel, has its own stop a minute from the door.
- The hotels are spread along the coast. Zekuu and Shiosai Resort are at Futomi, on the Uchibo line just west of Kamogawa; Kamogawa Grand Hotel and Kamogawa Sea World Hotel are in the town; La Pista and Mikazuki Sea-Park Hotel Awa-Kamogawa are east, near Awa-Kominato station; Mikazuki Sea-Park Hotel Katsuura is further up the coast in Katsuura.
- Most station pick-ups here need a phone call, and some only run in set hours: La Pista collects from Awa-Kominato between 12:00 and 18:00, Kamogawa Grand Hotel’s pick-up runs 9:00–18:00 and must be booked, and Rian’s must be booked in advance.
- Check-out is 10:00 at seven of the eight hotels we compared; only Rian lets you stay until 11:00. A bathing tax of ¥150 per adult is paid at the hotel on top of the room rate.
- Prices here are per person with breakfast, for two sharing. Saturdays on this coast can cost double a weeknight or more — Kamogawa Grand Hotel ran about ¥13,000–15,000 on a weeknight and ¥30,000–47,000 on a Saturday.
How we chose: theme, conditions, scoring
How we chose
- Candidates: every property in Kamogawa and Sotobo listed on Rakuten Travel — 274
- Passed the review filter (counts and averages on Rakuten Travel, the one site that lists every property in the area): 75
- Met every condition below: 6
- Kept: five, each the best at something different
Where the facts come from
- Facts: Rakuten Travel property information (in some articles, each hotel’s own site too)
- Prices: Rakuten Travel live availability, Wednesdays and Saturdays over eight weeks
- Reviews: the count and average on Rakuten Travel, as given in each hotel’s Trust row. Agoda’s reviews are shown under each hotel name for reference only and do not count towards the score
Conditions (all of them, not most of them)
- In Rakuten Travel’s Kamogawa, Katsuura, Onjuku and Yoro Valley district of Chiba
- At least 30 reviews on Rakuten Travel, averaging 4.0 or better
- The cheapest rate falls between ¥7,000 and ¥60,000 per person per night
- The sea in view or a beach close by: the listing’s access notes, description or facilities mention an ocean view, the Pacific, the beach or the seafront
Scoring
Five criteria, one to five stars each, weighted to one hundred points. Every star says where the number came from.
- Quality20 pts
- The average of the scores Rakuten Travel publishes for the room, the bath and the food.
- Value for money25 pts
- The cheapest breakfast-inclusive rate against the median of the hotels we compared.
- Easy to stay30 pts
- Minutes from the station or a pick-up, the baths, where meals are served, and check-out time.
- Trust20 pts
- Review counts and averages published by Rakuten Travel.
- Only here5 pts
- What this hotel has that the other seven we compared do not.
What we dropped
| Property | Verdict | Why |
|---|---|---|
| Shiosai Resort Kamogawa | Runner-up (61/100) | 61/100 — the same total as Kamogawa Grand Hotel in fifth place, with identical stars on every criterion. The tie went to the Grand Hotel on its fractionally higher review average, 4.17 to 4.16. |
| Mikazuki Sea-Park Hotel Katsuura | Runner-up (56/100) | 56/100, five behind fifth place. The whole gap is value: weeknight rates right at the median of everything we compared earned three stars, against four for Kamogawa Grand Hotel, and its 4.09 average — the lowest of the eight — kept trust at one star. |
| Mikazuki Sea-Park Hotel Awa-Kamogawa | Runner-up (55/100) | 55/100, six behind fifth place. At 115% of the median on a weeknight it took two stars on value against four for Kamogawa Grand Hotel; its better review average, 4.24, earned an extra star on trust but did not close the gap. |
| Kamogawa Grand Tower | Outside the theme | A 33-storey condominium tower where every room has an ocean view, with free use of the Kamogawa Grand Hotel’s onsen next door, and 4.30 across 743 reviews — but its cheapest rate is under our ¥7,000 floor. |
| Sundance Resort Onjuku | Outside the theme | Ten seconds from the sand, per its listing, and 4.43 across 169 reviews, but its cheapest rate is under our ¥7,000 floor. |
| Ishii-so | Outside the theme | A perfect 5.0 across 53 reviews, with the beach right in front at Onjuku — but Rakuten listed no cheapest rate, so it could not be checked against our price range. |
| Kamogawakan | Outside the theme | 4.61 across 1,502 reviews and three minutes on foot from Kamogawa Sea World, but nothing in its access notes, description or facilities mentions a sea view or a beach, so it did not meet the sea condition. |
Questions visitors ask
Which one would you book?
Boso Kamogawa Onsen Zekuu, the top score of the five at 75/100: an open-air bath in every room with the Pacific in view, dinner rated 4.79, and 4.64 across 605 reviews. It takes no credit cards, so bring cash. Weeknights ran about ¥31,000–34,000 per person with breakfast.
Which is the cheapest?
La Pista Hotel & Resort, on both counts: about ¥10,000 per person with breakfast on a weeknight and ¥14,000–15,000 on a Saturday. Kamogawa Sea World Hotel, at about ¥12,000–17,000 on a weeknight, is next, and includes free entry to the aquarium.
How do I get there from Tokyo without a car?
Take the Wakashio limited express from Tokyo Station to Awa-Kamogawa, about two hours on the JR Sotobo line, or a highway bus across the Aqua-Line. From Awa-Kamogawa you can walk to Kamogawa Grand Hotel in ten minutes or ride the free Sea World shuttle to Kamogawa Sea World Hotel; Rian sends a car if you book it. Zekuu is at Futomi, the next station west on the Uchibo line, and La Pista is reached from Awa-Kominato, east on the Sotobo line.
Do the station pick-ups need booking?
Mostly, yes. Zekuu collects from Futomi if you phone; La Pista collects from Awa-Kominato if you phone on arrival between 12:00 and 18:00; Rian’s free pick-up from Awa-Kamogawa must be booked in advance; Kamogawa Grand Hotel’s runs 9:00–18:00 and must be booked by phone. The Kamogawa Sea World shuttle from Awa-Kamogawa’s west exit needs no booking.
Will I get by in English, and can I pay by card?
Kamogawa Grand Hotel’s listing says a few staff can handle everyday matters in English, and Rian’s says a few understand a little; the others do not say, so keep booking details in writing. Zekuu takes no credit cards; the other four list Visa, Mastercard, JCB and American Express. All five have shared or open-air onsen baths, and none publishes a tattoo policy, so ask when you book if that matters.
When were these prices checked?
We searched Rakuten Travel availability for Wednesdays and Saturdays between 4 November and 26 December 2026, taking the cheapest plan with breakfast for two adults and showing it per person (checked 25 October 2026, tax included). The ¥150 bathing tax per adult is paid separately. Prices move daily — the link on each hotel shows today’s.
Changes
- 2026-10-29 First published. Scored from 274 candidates.