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forumWhat families say
Guests praise the lakeside location, the spacious dog run and the helpful service, and the property is well received by families with elementary school children and by guests traveling with pets. Families also report that the free barbecue and the late checkout let them take their time even with children along.
Categories
Kids Facilities
Shared family bath
Shared family bath
The bath on the property is a shared family bath. Towels are available to borrow, and it is roomy enough to bathe with a young child. It is not a communal bath or an onsen; each family uses it when it happens to be free.
- •Because it is a shared family bath, guests take turns considerately at busy times
Restaurant (himemasu and barbecue)
Restaurant (himemasu and barbecue)
The attached restaurant serves himemasu (kokanee salmon) and wakasagi (pond smelt), local specialties of Lake Saiko, along with Fujizakura Pork from Yamanashi Prefecture. Pets may come in with you, and both dinner and breakfast feature Japanese and Western dishes.
Barbecue garden and lakeside play
Barbecue garden and lakeside play
The grounds include a barbecue garden that is free to use, so the family can eat outside without any fuss. On Lake Saiko right in front, you can take out a rental boat or canoe (reservation required) or go fishing.
In-room refrigerator, microwave and electric kettle
In-room refrigerator, microwave and electric kettle
Every room has a refrigerator, a microwave and an electric hot-water kettle. They can be used to make formula or to warm baby food and portions shared from adult dishes, which also helps families who prefer to prepare their own meals.
Overview
Sun Lake is a pet-friendly pension and cabin property with an attached restaurant, standing on the shore of Lake Saiko, one of the Fuji Five Lakes. Guest rooms are split across separate buildings - Japanese-Western style lodge rooms, cabins with a shower and toilet, and bungalows - so families with elementary school children have room to spread out. On the grounds there is a barbecue garden guests can use free of charge, and guests can taste himemasu (kokanee salmon) and wakasagi (pond smelt), local specialties of Lake Saiko, along with Fujizakura Pork from Yamanashi Prefecture. Families can head out on the lake in a rental boat or canoe, or let their dog run in one of the two dog runs, one large and one small, making this a place to take in the lakeside setting in full.
A Pension and Cabins on the Shore of Lake Saiko
Sun Lake is a pension and cabin property with an attached restaurant, on the shore of Lake Saiko, one of the Fuji Five Lakes. The accommodation is divided among separate buildings: Japanese-Western style lodge rooms, cabins with a shower and toilet, and compact bungalows, with 5 rooms in total sleeping up to 25 guests. Guests have mentioned that futons and blankets are provided in more than enough quantity for the number of people staying, and the property takes in a wide range of visitors, from families with elementary school children to groups and guests traveling with their dogs.
What to Know When You Come with Children
Every plan has a children's rate, and there is no age limit, so families are welcome with children of any age. The bath is a shared family bath, and towels are available to borrow. Checkout is on the later side, which means the family can play right through the morning, then take a bath and head home feeling refreshed. Guest rooms have a refrigerator, a microwave and an electric hot-water kettle, an easy setup for making formula or warming baby food.
Activities by the Lake
A barbecue garden on the grounds is free to use, so families and groups can eat outside without any fuss. Lake Saiko itself offers rental boats and canoes (reservation required) as well as fishing, and the surrounding area has plenty of ways to enjoy Mount Fuji's natural setting, including hiking and cave exploring. The restaurant serves himemasu (kokanee salmon) and wakasagi (pond smelt), local specialties of Lake Saiko, along with Fujizakura Pork from Yamanashi Prefecture.
A Place Your Dog Can Stay Too
Every room accepts pets, so guests can stay with dogs, cats, reptiles and other animals (pets are charged separately). There are 2 dog runs, one large and one small, and dogs on a leash can be with you in the guest rooms, lobby, dining room and hallways. For a household with a dog, it is a rare option that lets children and pets travel together.
Access & Information
| location_onAddress | 2204 Saiko Komagata, Fujikawaguchiko-machi, Minamitsuru-gun, Yamanashi 401-0332 |
|---|---|
| directions_carAccess | About 25 minutes by bus from Kawaguchiko Station on the Fujikyuko Line; get off at Komagata (Sun Lake). By car, about 20 km from the Kawaguchiko IC on the Chuo Expressway. |
| trainNearest station | Kawaguchiko Station |
| local_parkingParking | Free parking for 80 cars. |
| callPhone | +81-555-82-2933 |
| languageOfficial site | http://www5e.biglobe.ne.jp/~sunlake/open_in_new |
Reference price as of August 26, 2026 (stay date 2026-09-19). Please check the booking site for actual rates.
Frequently Asked Questions
Can we stay at Sun Lake with young children?
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Yes. Every plan has a children's rate and there is no age limit, so families can stay with children of any age. There are 5 rooms in total, sleeping up to 25 guests, across Japanese-Western style lodge rooms, cabins with a shower and toilet, and bungalows. Check-in is from 3 p.m. to 10 p.m., and checkout is at 11 a.m.
What are the baths like, and can we bathe with our child?
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The bath is a shared family bath, not a communal bath or an onsen, so each family uses it when it is free. It is roomy enough to bathe together with a young child, and towels are available to borrow. At busy times guests take turns considerately.
What is there to eat, and can we barbecue?
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The attached restaurant serves himemasu (kokanee salmon) and wakasagi (pond smelt), local specialties of Lake Saiko, along with Fujizakura Pork from Yamanashi Prefecture, with Japanese and Western dishes at both dinner and breakfast. There is also a barbecue garden on the grounds that guests can use free of charge.
Can we prepare formula or warm baby food?
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Every room has a refrigerator, a microwave and an electric hot-water kettle, which can be used to make formula or warm baby food and portions shared from adult dishes. Whether baby food itself is served is not listed in our information, so please confirm with the property.
Can we bring our dog along with the children?
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Yes. Every room accepts pets, including dogs, cats and reptiles, and pets are charged separately. There are 2 dog runs, one large and one small, and dogs on a leash can be with you in the guest rooms, lobby, dining room and hallways.
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Jalan (last verified: August 2026). Prices, availability and seasonal operations change — please check each booking site for the latest information.
We take care to keep information accurate, but always confirm the latest details on the hotel's official site and booking sites before you book or visit.