Izumi area in Nago is famouse for various cozy cafes
and Izumiga-mori is one of them.
You can visit a nice log house cafe in Nago,
which is about 20mins drive from Churaumi Aquarium.
Lunch Curry Plate 
Fresh veggie salad with original dressing.
Baked cheese cake is also very nice
and you can choose either to eat inside the cafe
or in the open air looking down the mountains.
You can stay at the log house at very reasonable price,
and you can reserve the whole house from two persons.
(Price is from 8000 yen! What a great price 
)
)Click here
for further information.