Specs are quantitative aspects of the option such as the price
Pros
Pro
Unique culture and history
Since Okinawa was originally a separate country from Japan, Ishigaki is one of the best ways to explore Okinawan culture. There are unique food, phrases, and styles of dress visible all over the island.
While there is a bus and some taxis, the more efficient way to get around is by car. Renting a car will mean added costs, but it offers the most freedom to fully explore the island.