GRAND MONday Resort TOKYO BAY MAIHAMA FAQ (Frequently Asked Questions)
GRAND MONday Resort TOKYO BAY MAIHAMA
FAQ
FAQ
stay
QCan I make a reservation on the day?
AYes, you can make an order by phone or online.
Please check availability in advance as the hotel may be fully booked.
QWhat are the check-in and check-out times?
A[Official Website Member Reservation]
・Check-in: 14:00 onwards
Check-out: until 11:00*
[Regular Reservations]
Check-in: 15:00 onwards
Check-out: until 11:00*
*Some accommodation plans (such as short-stay plans) have different check-in and check-out times than those listed above. Please check the details of each plan when making a reservation. *We are open 24 hours a day, so you can use our services with peace of mind even if you arrive late at night.
*The entrance will be locked after midnight. Please use the intercom next to the entrance to call us.
*If you are scheduled to arrive after midnight, please contact the hotel in advance.
*This applies to new reservations made on or after August 12, 2026. For customers who made reservations before August 11, 2026, the conditions at the time of reservation will apply.
For more detailed information, please see here.
QI will arrive before check-in time. Can I just leave my luggage here?
AYes, we can store your luggage before check-in and after check-out free of charge.
*We cannot store valuables, fragile items, or food.
*We ask that you pick up your item on the same day.
*Please check with the hotel in advance if you have large or excessive luggage.
QCan I check in early or extend my check-out time?
AIf there are rooms available, we can accommodate you for an additional fee.
[Early Check-in]
Entry after 11:00
Price: 2,000 yen (tax included) / 1 hour
[Late Checkout]
You can extend your stay until 2:00 PM from the check-out time.
Price: 2,000 yen (tax included) / 1 hour
QIs there a cancellation fee?
AThe following cancellation fees will apply for reservations made by phone or through our official website.
On the day of arrival: 100% of the accommodation fee
Previous day: 50% of the accommodation fee
*Please note that separate cancellation policies may apply depending on the travel agency you booked with, your accommodation plan, and the date of your stay.
Please be sure to check the cancellation policy on the plan details page (next to the availability calendar, etc.) and on the booking procedure screen (booking step).
QCan I stay as a group, such as on a company trip?
AYes, we accept your request. Please contact us through the inquiry form.
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QCan minors stay alone?
AIf the guest is a minor (under 18 years old) or a high school student or younger, we ask that a parent or guardian submit this document.
Please download the consent form here.
Please send it to us in advance by mail, fax, or email, or submit it when you check in.
QCan I use a credit card?
AYes, you can.
Supported brands: Visa, JCB, Mastercard, American Express, Diners Club, UnionPay
QCan I use electronic money (cashless payment)?
AYes, you can.
Supported brands: Suica, PASMO, ICOCA and other electronic transportation money, nanaco, QUICPay, Rakuten Edy, WAON
*Alipay and WeChat Pay are not available.
QCan I stay with pets?
AWe are sorry, but we do not allow guests to bring pets with them (except guide dogs and assistance dogs).
QCan children sleep in the same bed as me?
AChildren aged 6 and under can stay free of charge if sharing existing beds.
The maximum number of people allowed to share a bed is as follows:
In the case of one adult staying: up to one person can share a bed
For guests staying with 2 or more adults: Up to 2 guests can share a bed
*If you use a bed, the price will be the same as an adult regardless of age.
*Amenities, slippers, towels, and indoor wear are not provided for children sharing a bed.
*Please note that if you make a reservation for more than the above-mentioned number of children who will be sharing a bed, the accommodation fee for the extra children will be the same as for adults and will be paid on site.
Rooms
QCan I smoke?
AAll rooms are non-smoking (including e-cigarettes). A smoking room is available on the first floor.
If smoking is permitted in the guest room, a special cleaning fee of 20,000 yen will be charged.
QQ.What kind of amenities are available?
ARoom wear, slippers, bath towels and face towels are provided in the guest rooms.
In consideration of the environment, we refrain from providing amenities such as toothbrushes, hairbrushes, razors, and cotton sets in the guest rooms.
If you need one, please ask the front desk staff and they will give it to you.
QWhat items are available for rental?
AWe offer a variety of items including hair irons (curling and straightening), straighteners, humidifiers, charging cables, luggage scales, wine openers, and more.
*Please note that quantities are limited.
*Amenities may vary depending on the hotel. Please contact the hotel for details.
QAre there extra beds available?
AWe apologize, but we do not have extra beds available.
However, depending on the room type, we may be able to provide a sofa bed as a bed (for an additional charge).
Please contact the hotel for further details.
QI'd like to use the cleaning service.
AWe do not provide laundry services. Please use the coin laundry facilities in the building.
QWill you provide cleaning every day?
AOur hotel implements environmentally friendly "eco-cleaning" procedures.
For guests staying multiple nights, we offer the following daily:
Garbage collection
Replacement of used towels
For stays of 4 nights or more, standard cleaning (bed making, bathroom cleaning, etc.) will be provided every 3 days.
*Information may differ for some plans, such as weekly plans.
For guests with children
QDo you have a crib?
AWe have it available.
QIs there a service where I can leave my children?
AWe are sorry, but we do not offer childcare services.
Facilities
QAre there coin laundry facilities?
AYes, there is a coin laundry available for a fee.
QIs there anywhere I can use a computer or print documents?
AWe do not have them available inside the building, but please ask at the front desk.
Additionally, there is a Daily Yamazaki convenience store, Urayasu Chidori branch, located about an 8-minute walk away, which you can also use.
QIs there a place where we can hold meetings?
ASorry, we don't have it available.
QIs there parking available?
AWe have a parking lot available exclusively for our hotel guests.
Parking is available by online reservation request only. Customers wishing to use the parking lot should apply through the parking reservation page.
After you submit your application, the hotel will check availability, and your reservation will only be confirmed if approved.
Fee:
3,000 yen (tax included) per car per night
1,500 yen (tax included) per motorcycle per night
Operating hours:
From check-in to check-out
For customers arriving by car: [Please read carefully]
Parking is available by online reservation request only. After you submit your request, the hotel will check availability, and your reservation will only be confirmed if approved.
The parking lot may fill up quickly, especially on weekends, holidays, and long weekends.
Parking reservations are accepted only after your accommodation booking is complete. We do not accept provisional reservations before your accommodation booking is confirmed.
Please pay the parking fee at the front desk upon check-in.
Only one vehicle is allowed per room reservation. (Please use nearby parking facilities for additional vehicles.)
Due to limited availability, we may not be able to fulfill your request.
The maximum size of vehicle that can be parked is 1,850mm in width and 5,000mm in length. For vehicles exceeding these dimensions (campervans, minibuses, etc.), please contact us in advance by phone at 047-353-2525.
*Please note that if you arrive without a reservation, you will not be able to use the parking lot if it is full.
QIs there Wi-Fi?
AFree Wi-Fi is available in all rooms.
QAre there any nursing rooms?
AWe are sorry, but we do not have a nursing room.
QCan I exchange foreign currency at the hotel?
ASorry, we do not offer foreign currency exchange.
QIs there a fitness room?
AWe are sorry, but we do not have a fitness room.
Access and Area Information
QIs there a shuttle bus to the hotel?
AYes, our hotel operates a free shuttle bus service.
A shuttle bus service is available between JR Keiyo Line's Maihama Station and the hotel.
QAre there any convenience stores nearby?
AThere is a 24-hour convenience store, "Daily Yamazaki Urayasu Chidori Store," about an 8-minute walk away.
Additionally, for your dining needs, please also consider using the restaurant "ISLE" located within the hotel.
Restaurant "ISLE" opening hours
Breakfast 6:30 AM - 10:00 AM (Last order 9:30 AM)
Lunch 11:30 AM - 3:00 PM (Last order 2:30 PM)
Dinner 17:00 - 22:00 (Last order 21:30)
Other services
QCan I send luggage from the hotel?
AYes, delivery service is available.
Please inform the front desk the day before for pickup or shipping.
*International shipping is not available.
*We also offer same-day airport delivery service (Airporter).
QCan I send luggage to the hotel by courier?
AYes, you can send it in advance.
*Please write the name of the person who made the reservation on the shipping label. If we cannot confirm this, we may not be able to pick up the item.
*Refrigerated and frozen items cannot be accepted. Please contact the hotel for details.
*Please refrain from bringing expensive items, large amounts of luggage, or heavy or large items (the hotel cannot be held responsible for loss or damage).
QI'd like to call a taxi.
AYes, please contact the front desk.
*Depending on the time of day, you may have to wait due to congestion or a lack of vehicles. We recommend that you allow yourself plenty of time when traveling.
Pool
QCan non-guests use it?
ACurrently, we are not accepting reservations for day-use (outpatient) pool access.
We will announce the reopening date on our website as soon as it is decided.
QAre there any procedures required to use this service?
AFor safety reasons, we require you to sign a consent form before using our services.
QAre there any entry restrictions?
ADepending on the crowd situation, we may restrict entry.
QAre children allowed in the night pool?
AThe night pool (18:00-22:00) is an adults-only time for guests aged 18 and over. Enjoy the night view and a relaxing time by the water in a tranquil atmosphere.
QAre there any security guards?
AFor safety reasons, staff members are patrolling the pool area.
QWhat rental and sales items are available?
AWe have the following items available.
*Please note that quantities are limited. Bringing something you are familiar with is recommended.
● Items for sale
・Swimwear (men's S/M/L/LL)
・Swimwear (women's S/M/L/LL)
• Swim diapers for water play (suitable for children weighing 6 kg to 20 kg)
Children's arm floats
Children's goggles
sunscreen
• Smartphone waterproof case
● Rental items
• Children's arm floats: Free
Children's life jackets: Free
• Inflatable ring pump: Free
• Pool gown (cover-up): 300 yen (fee applies)
QAre there any items that I cannot bring in?
AFor safety reasons, the following items are prohibited from being brought in or used.
Fins, beach balls, large or straddle-type inflatables that a person can sit on, sunscreen, food and drinks (excluding drinks for hydration), picnic tents, etc.
Additionally, a staff member may approach you with a question. Thank you for your understanding.
*You may bring your own inflatable ring, but it must be no larger than 100cm in diameter.
QHow deep is the water?
APool with jacuzzi, water depth 0.6m
Adult pool, maximum depth 1.2m
Children's pool, water depth 0.4m
QAre there changing facilities and showers available?
AThere are changing rooms with showers in the pool area.
We ask that guests change clothes in their rooms, but please wear a jacket when moving around the hotel.
After enjoying the pool, you can also warm up in the large public bath on the second floor.
QDo you have a spin dryer?
AYes, we have it ready.
QAre you open when it rains?
AAs this is an outdoor facility, we may suspend or restrict operations depending on the weather and safety considerations.
QIs it okay to travel in my swimsuit?
APlease wear a jacket (such as a gown) when moving around. We ask that you refrain from moving around in nightwear.
QCan I use your services if I have tattoos?
AFor the consideration of other customers, we ask that you refrain from using the service if your clothing is exposed.
You can use the facilities if you cover yourself with a rash guard or similar garment.
QIs it possible to take photos or videos?
AIt is possible, but please be sure to take sufficient care to respect the privacy of other customers and avoid including them in your photos.
GRAND MONday Resort TOKYO BAY MAIHAMA is located here. 東京のホテル一覧はこちら 東京のアパルトホテル一覧はこちら


