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Lake Biwa Marriott Hotel
forumWhat families say
Guests report that the wide range of activities - pool, planetarium, kayaking, and more - keeps children entertained regardless of the weather. The onsen communal bath is also praised as a place where adults can relax.
Categories
Kids Facilities
Kids' Playroom
Kids' Playroom
An indoor play space on the 1st floor with toys for young children such as picture books and blocks. Hours are 10 a.m. to 8 p.m., and use is free.
- •スタッフは常駐しておらず保護者の責任のもとでの利用となります
Indoor Heated Pool
Indoor Heated Pool
- calendar_monthSeason:Confirm with hotel
An indoor heated pool on the basement 1st floor of the Sports Center building. 25 m x 10 m, water depth 120 cm, water temperature 30-31°C, open year-round. Free rental of arm helpers and kickboards. Swimwear rental is 550 yen.
- •Hours: 9 a.m. to 9 p.m.
- •Children who are not yet toilet-trained (still in diapers) may not use the pool (per the official facilities page: 'Children may use the pool once they are out of diapers')
- •Fee: 830 yen for overnight guests / 1,650 yen for day visitors (includes bath, sauna, and locker)
- •Swimwear rental: adult sizes M/L/LL and children's sizes 100-150 cm, 550 yen each; kickboards and children's arm floats are free
- •There is no lifeguard; a guardian is recommended to accompany children in the water
- •Only children's swim rings may be brought in (beach balls, large inflatables, snorkels, etc. are not allowed)
- •Day-use is not available on weekends, holidays, and busy days (overnight guests only)
- •The heated pool may be temporarily closed depending on energy supply conditions (per the official news/pool.html notice)
Misaki Onsen Communal Bath (Sports Bath)
Misaki Onsen Communal Bath (Sports Bath)
A communal bath fed by Misaki Onsen, the hotel's own source that springs up on adjacent land (a simple onsen / hypotonic, weakly alkaline onsen). The reddish-brown water is a distinctive feature, and a sauna is attached. Free for overnight guests. Reputed benefits include relief from fatigue, neuralgia, and autonomic nervous system imbalance.
- •Hours: overnight guests 6 a.m.-1:30 p.m. and 3 p.m.-midnight (Tuesdays 6 a.m.-12:30 p.m. and 3 p.m.-midnight); day visitors 9 a.m.-1:30 p.m. and 3 p.m.-9 p.m. (Tuesdays 9 a.m.-12:30 p.m. and 3 p.m.-9 p.m.)
- •Children who are not yet toilet-trained (still in diapers) may not use the bath (per the official facilities page: 'Children may use the bath once they are out of diapers')
- •Guests with tattoos are generally not permitted to bathe. An exception is made if the tattoo can be covered with two 8 cm x 10 cm cover seals (please consult the front desk)
- •Free for overnight guests / 1,050 yen for day visitors. Towel rental is 330 yen
- •Day-use is not available on weekends, holidays, and busy days (overnight guests only)
- •Reputed benefits: relief from fatigue, neuralgia, autonomic nervous system imbalance, and more
Grill & Dining G
Grill & Dining G
A 12th-floor restaurant with a stunning view. Breakfast is a buffet (from 4,500 yen, price varies by season), while lunch and dinner are mainly a la carte. A kids' plate, child chair, and baby cot are available for children.
- •Baby food is not provided by the hotel, but you may bring your own
- •Please contact the hotel at least 3 days in advance for food allergy accommodations
- •All seating is non-smoking
Baby and Kids' Equipment Rental
Baby and Kids' Equipment Rental
A range of baby and kids' items available for rental in the room and around the hotel. Quantities are limited, so advance reservation is recommended. There is also a kids' amenity corner on the 1st floor.
- checkCrib (rental)
- checkBed guard (rental)
- checkBaby cot (rental)
- checkBath chair (rental)
- checkHumidifier / air purifier (rental)
- checkChildren's yukata (one size, 140 cm length, at the 1st-floor kids' amenity corner)
- checkPool arm helpers and kickboards (free)
- checkWheelchair (rental)
- checkBlu-ray/DVD player (rental)
- checkThermometer (rental)
- •Cribs, bed guards, and similar items are limited in quantity; advance request is recommended
- •Diaper changing is available in the multipurpose restroom on the 1st floor
- •Rental item list (per official FAQ): baby cot, bath chair, wheelchair, voltage converter, plug adapter, desk lamp, thermometer, mobile phone charger
Overview
Lake Biwa Marriott Hotel is a 274-room lakeside resort on the eastern shore of Lake Biwa in Moriyama City. It features a full-scale planetarium, a year-round indoor heated pool, and a communal bath fed by its own onsen source, Misaki Onsen. A 1st-floor playroom (picture books and blocks), crib and bed guard rental, and children's yukata and kids' amenities are also available.
Lake Biwa Marriott Hotel is a 274-room resort hotel on the eastern shore of Lake Biwa in Moriyama City. The Sports Center building houses an indoor heated pool (25 m x 10 m, water depth 1-1.2 m, water temperature 30-31°C) and a communal bath fed by the hotel's own onsen source, Misaki Onsen, so families can enjoy them regardless of weather or season. The 1st-floor playroom has picture books and blocks, giving even small children a place to play indoors.
Activities and experiences
The hotel has a full-scale planetarium on site, and overnight guests can watch the star shows at a discounted rate. Taking advantage of its lakeside location, the hotel offers plenty of activities such as kayaking, SUP, sailing, and rental bicycles, and also has a tennis court, gymnasium, golf practice range, and futsal court. The restaurant Grill & Dining G offers a kids' plate, child chair, and baby cot for children, and you may also bring your own baby food.
Access & Information
| location_onAddress | 2876 Jikkenya, Imahama-cho, Moriyama-shi, Shiga 524-0101 |
|---|---|
| directions_carAccess | A free shuttle bus runs from JR Katata Station. For the timetable and other details, please check the hotel's official website. |
| trainNearest station | JR Katata Station |
| local_parkingParking | Free parking for 172 cars; no reservation required. |
| callPhone | +81-77-585-6100 |
| paymentsCards | VISA, JCB, American Express, Diners Club, UC, Mastercard |
| languageOfficial site | https://www.biwako-marriott.com/open_in_new |
Reference price as of August 28, 2026 (stay date 2026-09-19). Please check the booking site for actual rates.
Frequently Asked Questions
Are cribs and bed guards available at Lake Biwa Marriott Hotel?
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Yes. Cribs and bed guards are available for rental, but quantities are limited, so it's recommended to request them in advance when booking.
Can babies still in diapers use the pool or the onsen bath?
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No. According to the official facilities page, children may use the indoor pool and the Misaki Onsen communal bath only once they are out of diapers.
Does the hotel provide baby food, and can we bring our own?
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The hotel does not offer baby food on its own menu, but bringing your own baby food is allowed. The restaurant Grill & Dining G also offers a kids' plate, a child chair, and a baby cot.
How do we get to the hotel from JR Katata Station?
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A free shuttle bus runs from JR Katata Station. For the timetable and other details, please check the hotel's official website.
Can we reserve tickets for the planetarium in advance?
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No individual advance reservations are accepted for the planetarium; tickets, including for the 'Hoshi-nii's Comedy Planetarium Show,' are sold on the day (sales for the show start at 11:30 a.m.).
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Information on this page was compiled by directly consulting Official website, Rakuten Travel, Ikyu.com, 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.