What's a good name for a water taxi that goes from the south to north and vice versa?

Question

I am from the island Trinidad and Tobago, and we have recently implemented 4 water taxi's that go from the south to north and vice versa of Trinidad. A contest was made to get a name for the boats, i just need 1, any ideas?

Answer 1

the 'Round Robin'

Answer 2

"latitude" for the vertical lines north to south of the global maps

Answer 3

I'm voting for "SoNo" meaning of course..."South to North"

Answer 4

Wada-taxi

Trendy taxi

Answer 5

Polar Express was the first thing that popped into my head, so maybe Island Express.