Once Oak introduces the first group to their new devices and helps them with ferry info for Cinnabar, he finds that Miko preferred not to head for Cinnabar first.

He explains another group was delayed and should be arriving shortly if she wishes to wait and gives her some time to fully examine the pokedex and catch a look around the area.

Aside from the coffee table and chairs you are at, there are a few bookshelves off to the side, an extra large computer desk with several items strewn across it, and even a mini fridge and other less obvious gadgets.