Excuse me, in the case of driving around an island, do we give way to vehicles on the right side of the road first, or do we give way to vehicles on the opposite side of the road first? We don't need to give way to vehicles on the left side of the road because there won't be any intersection. Is that what you mean ?

Give way, yield three feet

When you arrive at the island, stop your car, and if a car is coming from the right, let them go first.

Slow down and stop near the island, look at the traffic lights if there are any, and let the cars coming from the right go first if there are no traffic lights. Everyone follows this rule, so you don't need to consider the cars on your left.