[GRAND MONday Resort TOKYO BAY MAIHAMA]

  1. 1 Select a plan
  2. 2 Enter reservation details
  3. 3 Enter personal information
  4. 4 Complete reservation

Unlock Exclusive Perks: Join hotel MONday Today

New Members - Score an instant 10% off your stay!

Don't miss out on these VIP treats and more!

※The images are for illustrative purposes only. Please be informed that the specifications are subject to change without notice due to preparations for opening. 

 

[Regarding Accommodation of Children]

  • Children under 6 can share existing beds at no extra charge
  • One child per adult, or two children for 2+ adults
  • No extra amenities (including towels, slippers, robes, etc.) will be provided for bed-sharing kids
  • Additional children beyond this limit will be charged as adults

Please note:
Extra beds incur adult rates, regardless of age.

Back

【Non-refundable】【Early Bird Discount(Breakfast Included)】Save when you book 30 days in advance!(With Member Benefits)

【Non-refundable】【Early Bird Discount(Breakfast Included)】Save when you book 30 days in advance!(With Member Benefits)
  • 【Non-refundable】【Early Bird Discount(Breakfast Included)】Save when you book 30 days in advance!(With Member Benefits)
  • 【Non-refundable】【Early Bird Discount(Breakfast Included)】Save when you book 30 days in advance!(With Member Benefits)
  • Ocean front Superior Wide Twin※Image
  • Guest Room ※Image
  • Pool(image)
  • Pool(image)
  • Men's Large Bath (Image)
  • Women's Large Bathhouse (Image)
  • 【Non-refundable】【Early Bird Discount(Breakfast Included)】Save when you book 30 days in advance!(With Member Benefits)

If you make a reservation after registering as a new member or logging in as a member, you will receive a member-only benefit.
　　We recommend you to make a membership reservation for the best rates and great benefits.

 

※This plan is non-refundable and requires advance payment.

●〇●Special Rate for Reservations Made 30 Days in Advance●〇●
We offer a breakfast included plan for early bookers to enjoy a great value stay.


NOTE:
The images are for illustrative purposes only. Please be informed that the specifications are subject to change without notice due to preparations for opening. 

We offer a variety of room types ranging from 25 to 50 square meters.
The rooms can be used for a wide range of purposes, including business, family, and group travel.
The hotel is conveniently located with easy access to Maihama Resort, and the facility also features a swimming pool and a large public bath to help you relax after a long day of travel!

We hope you will take this opportunity to stay at our hotel. Our staff is looking forward to welcoming you.


*This plan is non-refundable. A 100% cancellation fee applies once your reservation is confirmed.
*Please note that cancellations or changes after booking are not possible.


[About Breakfast]
・The hotel restaurant offers a varied breakfast buffet.

[Shuttle Bus Information]
・Free shuttle bus service to Maihama Station.
　Guests staying at our hotel may use the complimentary shuttle bus to Maihama Station.
　Please check the official website for details.


[Large Bathhouse Information]
・We provide a spacious large bathhouse where you can soothe the fatigue of travel and refresh both body and mind.
　
[Accommodation]
・ Free WIFI is available in all rooms.

[Children's accommodation]
・ Children under 6 years old can use the bed free of charge when using existing bed.
The number of people who can sleep together is as follows.
When staying with 1 adult: Up to 1 child can use existing bed
When staying with 2 or more adults: Up to 2 children can sleep together

・ If you use a bed, the price will be the same as an adult regardless of age.
・ Amenity / slippers / towels / clothes are not provided for bed-sharing children.
・ If you make a reservation for a child who sleeps with more than the specified number of people above, the room charge for the excess child will be the same as that for an adult and will be paid locally. Please note.

Members' discount
Sign up as a new member or log in as a member and get 10% off

  • You can use this coupon.
Check-in
15:00 - 26:00 (Early check-in is available from 14:00 for members only! If you wish to check in early, please indicate your preferred check-in time in Notes when you make a reservation. Please note that we may not be able to provide this service if you make a reservation on the same day)
Check-out
12:00
Reservation period
15 Apr 2026 [10:00] -31 Jan 2028 [23:59]
Accommodation availability period
17 Jul 2026 -31 Jan 2028
Meals
Breakfast included
Payment method
Online payment by credit card
Reservation time limit
23:59 30 day(s) before date(s) of stay
Deadline for changes to reservations
23:59 30 day(s) before date(s) of stay
Deadline for cancellation
23:59 30 day(s) before date(s) of stay
Cancellation fee
*The time displayed is Japan Standard Time (JST).

Select the date(s) of stay by room vacancy status

Change room

  • Ocean Front Superior Twin Room
    Ocean front Superior Twin Room※Image
    • Price per person 13,921 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 4 persons
  • Ocean Front Superior Wide Twin Room
    Ocean front Superior Wide Twin※Image
    • Price per person 14,125 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 5 persons
  • Ocean Front Deluxe Corner Room
    Guest Room Image
    • Price per person 18,393 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 5 persons
  • Ocean Front Deluxe Corner Room【High Floor】
    Guest Room Image
    • Price per person 19,210 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 5 persons
  • Ocean Front Park Side Deluxe Corner Room
    Guest Room Image
    • Price per person 18,597 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 5 persons
  • Ocean Front Park Side Deluxe Corner Room【High Floor】
    Guest Room Image
    • Price per person 19,414 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 5 persons
  • Ocean Front Suite Room
    Guest Room Image
    • Price per person 24,542 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 6 persons
  • VIP Ocean Front Suite Room【Top Floor】(Includes lounge access)
    Guest Room Image
    • Price per person 25,359 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 6 persons
  • Ocean Front Suite Universal Room
    Ocean front Suite Universal Room ※Image
    • Price per person 24,542 JPY- (At 2 person(s) per room)
    • Occupancy 1 to 4 persons
How to read this calendar …
  • Jun 2026
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec
  • Jan 2027
  • Feb
  • Mar
  • Apr
  • May

Sun Mon Tue Wed Thu Fri Sat
1night(s)1room(s)Total fee for 2 adults(Estimate)

My phone number is +81 3 6453 0956

Note: Prices include consumption tax.

Please inquire about this plan by phone
Telephone no. GRAND MONday Resort TOKYO BAY MAIHAMA +81 3 6453 0956
Homepage https://hotel-monday.com/resort/maihama/?wovn=en
This plan is sold out.
Information on the selected room(s)
Ocean front Suite Universal Room ※Image
Ocean front Suite Universal Room ※Image
Ocean Front Suite Universal Room
Smoking/Non-smoking
Non-smoking
Room size
50.88 m2
Wi-Fi
Yes
Toilet
Warm-water bidet toilet
Shower / Bath
Yes
Shower
No
Air purifier
No
Refrigerator
Yes

〇Size: 50.88㎡
〇Bed: 2 Double Beds
〇Capacity 6 people (including 4 adults + up to 2 people sleeping together)
〇Free Wi-Fi in all rooms
〇Original mattress
〇Buthtub


[Attention]
※Images are for illustrative purposes only. As we are currently preparing to open, specifications are subject to change without notice. We appreciate your understanding.
※For groups of five guests, we will convert the sofa into a bed for your use.
※The main bed size is "W1400xL2030" (the size of a double bed). Please note that when staying with the following number of people, each bed will be occupied by 2 persons.

Ocean Front Suite Universal Room →4 persons or more

Read more

Enter your accommodation details

Date(s) of stay

Number of nights

night(s)

Number of rooms

room(s)

At least 1 room(s) must be vacant for you to book this plan. Please change the date of stay, or select a different date from the calendar above.

Please enter the number of guests.

Room occupancy: 1 to 4 persons

1st room Type of Guest Meals Bedding Required Number of Guests
Male guests Standard meal(s) (Male) Yes person(s)
Female guests Standard meal(s) (Female) Yes person(s)
Children age 7-12 The Same meal(s) as an adults Yes person(s)
Children age 3-6 Children's meal(s) Yes person(s)
Children age 3-6 Meal(s) not required Yes person(s)
Children age 3-6 Meal(s) not required No person(s)
Children Under age 3 Meal(s) not required Yes person(s)
Children Under age 3 Meal(s) not required No person(s)
2nd room Type of Guest Meals Bedding Required Number of Guests
Male guests Standard meal(s) (Male) Yes person(s)
Female guests Standard meal(s) (Female) Yes person(s)
Children age 7-12 The Same meal(s) as an adults Yes person(s)
Children age 3-6 Children's meal(s) Yes person(s)
Children age 3-6 Meal(s) not required Yes person(s)
Children age 3-6 Meal(s) not required No person(s)
Children Under age 3 Meal(s) not required Yes person(s)
Children Under age 3 Meal(s) not required No person(s)
3rd room Type of Guest Meals Bedding Required Number of Guests
Male guests Standard meal(s) (Male) Yes person(s)
Female guests Standard meal(s) (Female) Yes person(s)
Children age 7-12 The Same meal(s) as an adults Yes person(s)
Children age 3-6 Children's meal(s) Yes person(s)
Children age 3-6 Meal(s) not required Yes person(s)
Children age 3-6 Meal(s) not required No person(s)
Children Under age 3 Meal(s) not required Yes person(s)
Children Under age 3 Meal(s) not required No person(s)
4th room Type of Guest Meals Bedding Required Number of Guests
Male guests Standard meal(s) (Male) Yes person(s)
Female guests Standard meal(s) (Female) Yes person(s)
Children age 7-12 The Same meal(s) as an adults Yes person(s)
Children age 3-6 Children's meal(s) Yes person(s)
Children age 3-6 Meal(s) not required Yes person(s)
Children age 3-6 Meal(s) not required No person(s)
Children Under age 3 Meal(s) not required Yes person(s)
Children Under age 3 Meal(s) not required No person(s)
Back

To the top of the page

To prove the server’s existence and protect privacy, we use SSL encrypted communication using a DigiCert SSL server certificate. Please check the server certificate verification results by clicking the site seal. SSL encrypted communication prevents data theft and falsification by a third party, and thus provides greater security.