On the bare hills that overlook the bay there are miners scratching for gold and you can see a Bugis village built out over the water.
You can take one of the ferries that run every 45min around the clock from Labuhan Lombok and take 1.5h for the crossing. INR22,000 as a foot passenger, INR45,000 for motorcycle and rider or INR352,000Rp for a car.
Eat and Drink
If you are waiting for the ferry to go to Lombok there will be people selling drinks and snacks.
There is no accommodation in Poto Tano.