GRAND MONday Resort Tokyo Bay Maihama offers oceanfront views of Tokyo Bay from every room.

The property offers a full range of resort Facilities, including an outdoor pool you can enjoy 365 days a year—used as a resort pool in summer and a hot pool in winter—as well as a restaurant, large public bath, and VIP lounge. A free shuttle bus to the Maihama area is also available, making it an ideal base for leisure. Enjoy a resort stay that suits every occasion—family trips, group getaways, and special anniversaries with your loved ones—along with open, scenic views.

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Facilities and Services

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Large public bath / Sauna / Outdoor pool / Free shuttle service
IN15:00~26:00
OUT11:00
Number of rooms140 rooms
PetNot allowed
Your childPermitted

Notice from the Accommodation

・Reservations are required to use the pool. An additional fee applies.

[Great Value with Room Type Assigned on Arrival (Room Only)] Short stay from 5:00 PM to 9:00 AM the next day!

IN 17:00~26:00
OUT 09:00
¥16,650~
No meals ; 2 peopleTax included¥16,317〜
(USD 103.04)

[Great Value with Room Type Assigned on Arrival (Breakfast Included)] Short Stay from 5:00 PM to 9:00 AM the Next Day!

IN 17:00~26:00
OUT 09:00
¥23,250~
Breakfast included ; 2 peopleTax included¥22,785〜
(USD 143.88)
Oceanfront Superior Wide Twin
  • Twin
  • 25.44㎡
  • Capacity 1~5 people

[Student-Only Discount! Room Only] Enjoy a fun, memorable stay at a great price

IN 15:00~26:00
OUT 11:00
¥21,374~
No meals ; 2 peopleTax included¥20,947〜
(USD 132.28)

【Short Stay: Check-in at 5 PM, Check-out by 9 AM the Next Day (Room Only)】All Rooms Oceanfront

IN 17:00~26:00
OUT 09:00
¥21,374~
No meals ; 2 peopleTax included¥20,947〜
(USD 132.28)
Oceanfront Superior Twin
  • Twin
  • 25.44㎡
  • Capacity 1~4 people

[Student-Only Discount! Room Only] Enjoy a fun, memorable stay at a great price

IN 15:00~26:00
OUT 11:00
¥22,800~
No meals ; 2 peopleTax included¥22,344〜
(USD 141.10)

【Short Stay: Check-in at 5 PM, Check-out by 9 AM the Next Day (Room Only)】All Rooms Oceanfront

IN 17:00~26:00
OUT 09:00
¥22,800~
No meals ; 2 peopleTax included¥22,344〜
(USD 141.10)

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Introduction of the Accommodation

Basic Information

Card information
VISA / MASTER / JCB / AMEX / DINERS / UnionPay
Pets
Not allowed
BreakfastA buffet is available at the on-site restaurant.
Your child
You can stay.
・Up to 2 children aged 6 or under (1 child when staying with 1 adult) may stay free when sharing existing beds. When booking, select “No meals or bedding” for children sharing existing beds. ・Children using a separate bed are charged the adult rate, regardless of age. ・Amenities, slippers, towels, and loungewear are not provided for children sharing existing beds. ・Children exceeding the limit for free bed-sharing are charged the adult rate, payable at the property. ・If the total number of guests, including children charged as adults, exceeds the room’s maximum occupancy, an additional room must be booked.
Room service
Not available
Common amenities
  • ○ Shampoo · conditioner
  • ○ Body soap · soap
  • ○ Towel · Bath towel
  • × Body towel · sponge
  • ○ Toothbrush set
  • ○ Comb · Brush
  • × Shower cap
  • ○ Hair dryer
  • ○ Shaving
  • ○ Shaving Gel/Foam
  • × Bath additives
  • × Yukata
  • ○ Nightwear
  • × Bathrobe
  • ○ Slippers
  • × facial cleanser
  • × Toner
  • × Lotion
  • × Makeup remover
  • ○ Cotton swab
  • ○ Cotton
  • × Clothing deodorizing spray
  • ○ Refrigerator
  • × Minibar
  • ○ Electric kettle
  • × Tea set (free)
  • ○ Television
  • ○ Safe
  • × Scale
  • × Trouser press
  • × Free morning edition
  • × Pay-per-view broadcast
  • × Satellite broadcasting
  • × Video on Demand
  • × Radio
  • × CD player
  • × DVD player
  • × Blu-ray player
  • × Speakers for portable audio
  • × In-room PCs and tablets
Facilities and Features
  • × Hot spring
  • × Rooms with open-air baths available
  • × Open-air bath
  • × Free-flowing hot spring
  • ○ Large public bath
  • × Private bath
  • ○ Sauna
  • × Ganbanyoku (rock bathing)
  • × Within a 5-minute walk from the station
  • × Within a 5-minute walk to the convenience store.
  • × Indoor pool
  • ○ Outdoor pool
  • × Pet-friendly
  • × Spa facility
  • × Fitness
  • ○ Free shuttle service
  • × Shuttle Service (Paid)
  • × Room service
  • × Room Service Available 24 Hours
  • × Barrier-free
  • × Childcare services
Outdoor pool
Available period
---
Business Hours
08:00~22:00
Final admission time
21:30
Fee(Guest)
Paid ¥4,500
Fee(Non-guest)
---
Children's pool
Available
Age restriction
・The night pool (6:00 PM–10:00 PM, last admission at 9:30 PM) is available only to guests aged 18 and over. ・Children who are not yet toilet-trained may use the children's pool only during daytime pool hours.
Pool shape
Irregular shape
Pool size


Day Pool Hours: 8:00 AM–5:00 PM (last admission at 4:30 PM) [Mon–Thu] Adults: JPY 3,500 / Elementary school children and younger: JPY 2,500 [Fri–Sun & public holidays] Adults: JPY 4,500 / Elementary school children and younger: JPY 3,000 Night Pool Hours: 6:00 PM–10:00 PM (last admission at 9:30 PM) Adults: JPY 4,000 * Fees apply for each day of use. * On your arrival day, the day pool is available only after check-in. On your departure day, it is available only until check-out. * Please note that the pool is not available after check-out. * The night pool is available only to guests aged 18 and over. * Please contact the hotel if you wish to use the day pool or night pool. * Smoking is not permitted in the pool area. * Admission may be restricted during busy periods. * Please check the official website for other precautions and information.
Esthetic Massage
None
Fitness gym
None
Public Bath
The number of Public Bath
2
Business Hours
05:00~01:00
Hot spring
None
Free-flowing
None
Milky hot spring water
None
Additional Information
Remarks
[ Opening Hours ] 5:00–11:00 / 15:00–1:00 the following day Please bring towels from your room. ■Public Bath■ For hygiene reasons, children who wear diapers are not permitted in the bathing facilities. Guests aged 7 and older must use the facilities designated for their gender. Children using the public bath must be accompanied by a parent or guardian aged 18 or older. ■Sauna■ For hygiene reasons, children who wear diapers are not permitted in the bathing facilities. Guests aged 7 and older must use the facilities designated for their gender. Children under 6 are not permitted to use the sauna. Children aged 6 and older must be accompanied by a parent or guardian aged 18 or older.
SaunaAvailable
Hot stone spaNone

Reviews

*Reviews that have been translated from Japanese.*

*Showing only reviews from 一休.com (Japanese) and Yahoo!トラベル.*

There are no reviews available.

Access Information

Address
Chiba Prefecture15-9 Chidori, Urayasu City
TEL:+81-47-353-2525

Approximately 9 minutes by car from Maihama Station.

Parking Information
Fee
Parking fee per night for guests ¥3,000
Parking time
From 15:00 to 11:00 the next day
Parking space
No restrictions
Number of parking spaces
---
Valet service
Unavailable
[Parking Information] From 3:00 PM on your check-in date until checkout at 11:00 AM the following day. Extended parking is subject to availability on the day. Additional charges apply. ■ Important Information Parking requires an online reservation request. (Requests cannot be made through the remarks field or similar fields.) To request parking, please visit the parking reservation page on our official website. After you submit your request, the hotel will check availability. Your parking reservation is confirmed only upon approval. Please book your stay before requesting parking. Requests made before booking your stay are not accepted. Parking costs JPY 3,000 per vehicle per night. *Spaces are limited.

Pickup and drop-off information
Available (Free)A convenient free shuttle bus runs between Maihama Station and the hotel. Please visit the official website for the timetable and further details.

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