What is a good name for a water taxi that goes from the south to north and vice verca?

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

"longitude"

Answer 2

North South/ South North Water Taxi.