Without further ado, here's where to find a Seahorse in Heartopia. You can catch Seahorses in the Whale Sea on the west side of your map in Heartopia. This is the sea that's to the west (left) of ...
The seahorse is an early fishing catch in Heartopia, but many players miss it. This guide explains its exact location, spawn time, weather requirements, and how to catch it without snapping your line.