Originally Posted by KI-NRT

Sumihei has slightly more creative crab cuisine than Bouyourou, and the higher-end rooms are nicer and more spacious, but the onsen is inferior (the chlorine smell was pronounced), if that is important to you.

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Net-net: If crab is the priority, I'd go with Sumihei. Bouyourou is a close second, and might trump the former if onsen is important to you. We haven't tried them all, though, so if you do choose one of the others, I'd love to hear about it!