By Mikrolet
The cheapest way to travel in Karimun is by mikrolet. These small minibuses run a fairly standard route and pick up and drop off passengers anywhere along the way. By the way, the locals call them "oplet".You can get almost anywhere in Tanjung Balai for Rp. 3.000. Tanjung Balai to Meral is 2.500rp.
By bike
By bike
This would be one of the ideal way to explore Karimun. However, yet to find one bicycle renter in the town. However, most of the ferry companies will take your bicycle for a SG$5 fee, so if you are coming from Singapore, just bring one over.