Hoenn Route 124

Route 124 (１２４ばんすいどう Sea Route 124) is a large water route located in northeast Hoenn. The main path of the route runs from the northwest to the southeast, linking the eastern shore of Lilycove City with the northern edge of Route 126. An outlet just north of Route 126 connects the route to Mossdeep City. The route is the lowest-numbered water route to feature spots where trainers can Dive to the ocean floor. It is also the first in a series of water routes that links Lilycove to Slateport City while passing through Mossdeep and Pacifidlog Town.

Trivia

 * Route 124 is the largest route in any of the Pokémon games to date.