Morning beach run -> Breakfast at Starbucks
Before go back to hotel, refresh time at Starbucks -> Go to bed
Around American village not so many shop or restaurant open early but “Chatan Kokudo 58 go” shop is on Chatan route 58 and this shop open 6AM.
For detail please find in the below official Starbucks link. On the below link, you can also find another Starbucks near there.