[Summer Travel Family] Half price for elementary school students and younger, free all-inclusive plan "Evening Breakfast and Lounge Access"

Enjoy the summer of Karatsu with all five senses! Offering a hotel experience that can be caught, eaten, searched, and loved by parents and children
We have accommodation plans that can be enjoyed by families, such as "Treasure hunting game in the rainbow sandbox" and "Kawahagi scooping in a cage". In addition, the hotel is about a 5-minute walk from the beach, and you can rent beach goods free of charge. (The number of items to be rented per family is limited.)
All-inclusive, so please enjoy a wide variety of buffets!
Plan Overview
- Accommodation plan①
- Summer Vacation Half price for elementary school students and younger! Recommended for families! Treasures in the sandbox| 5 minutes walk to the beach / Evening breakfast and lounge access
- Period of stay
- July 1 (Tuesday) to August 31 (Sunday), 2025
- Characteristics
- Summer vacation planning! Find it with a radio control car! Treasure hunting in the sandbox /
Adults and children are crazy! Get a treasure of local goods using excavator cars in the rainbow sandbox!
There is no need to worry about the weather because it is a sandbox in the room!
=Benefits
※Treasure hunting with 1 play (with prizes)
※Half price for elementary school students, half price for infants with bedding (usually the same as adults), free co-sleeping infants
※Free meals for pre-school children over 3 years old are also available. - Accommodation plan②
- Summer Vacation Half price for elementary school students and younger! The fish scooped and scooped fish in the fish cage for dinner| 5 minutes walk to the beach / Evening breakfast and lounge access
- Period of stay
- July 19 (Sat) to August 16 (Sat), 2025
- Characteristics
- Summer vacation planning! Fish scooping in a cage /
Challenge aiming for a kawahagi swimming in a cage! You can slide well or show your arm!
The scooped Kawahagi will be prepared in the recommended cooking method such as cooking and boiling at dinner.
Please enjoy making memories of summer vacation!
※The type of fish may vary depending on the stock availability.
=Benefits =
※Fish scooping using nets in the cage in the building (one per room)
※Half price for elementary school students, half price for infants with bedding (usually the same as adults), free co-sleeping infants
※Free meals for pre-school children over 3 years old are also available.
- Accommodation plan③
- 【Summer Travel Family Plan】 Children welcome | Half price for children under elementary school age / free for infants / all-inclusive evening breakfast / lounge access
- Period of stay
- July 1 (Tuesday) to August 31 (Sunday), 2025
- Characteristics
- \ Standard | Summer Travel Family Travel Support Project /
※Half price for elementary school students, half price for infants with bedding (usually the same as adults), free co-sleeping infants
※Free meals for pre-school children over 3 years old are also available. - Reservation site
- Jalan net / Rakuten Travel / Ikkyu. com / rururubu Travel
Mercure Saga Karatsu Resort
Plan contents

▼Accommodation Plan 1 Treasure hunting in the rainbow sandbox
Find it with a radio control car! Look for treasure in the rainbow sandbox!
Use a shovel car in the sandbox to get a treasure of local goods!
There is no need to worry about the weather because it is a sandbox in the room.
※Treasure hunting with 1 play (with prizes)

▼Accommodation plan 2 Kawahagi scoop
GET aiming for kawahagi swimming in a cage! You can slide well or show your arm!
The scooped Kawahagi will be prepared in the recommended cooking method such as cooking and boiling at dinner.
Please enjoy making memories of summer vacation!
※The type of fish may vary depending on the stock availability.
※Fish scooping using nets in the cage in the building (one per room)

▼Dinner Buffet / squid press cracker
A squid press cracker appears at the dinner buffet.
Please enjoy the large format Ikanbei baked in a live kitchen with the chef's original special sauce.

▼Dinner Buffet / Saga beef grilled shabu
The characteristics of Saga beef are the unique sweetness of Wagyu and the umami of red meat. Please enjoy the umami spread in your mouth with a moderate chewy ponzu or sesame sauce.

▼Kids menu
A kids menu is also available at the restaurant.
You can also experience making croissant original sweets at the dinner buffet only during summer vacation (undecided)!

▼Restaurant / Rocaball
View the scenery of Karatsu from the restaurant, enjoy "local cuisine" packed with food and technology unique to the area, and a wide variety of evening breakfast buffets.

▼Beach goods
We rent beach goods free of charge at the front desk or shop.
※The number is limited.
※It is not a reservation system.
"Information"
※Half price for elementary school students, half price for infants with bedding (usually the same as adults), free co-sleeping infants
※Free meals for pre-school children over 3 years old are also available.
・Check-in time: 15:00 to 19:00 (depending on the accommodation plan)
・Consumption tax and service charge are included in the displayed price.
<How to book a plan>
・Please make a reservation from the domestic travel site.
Click here to make a reservation from the domestic travel site
Jalan net / Rakuten Travel / Ikkyu. com / rururubu Travel
Mercure Saga Karatsu Resort
We do not sell summer family plans on the official website. Please make a reservation from the above domestic travel site.