Splat Zones: Walleye Warehouse Arowana Mall, Kelp Dome, Bluefin Depot, Flounder Heights, Museum d'Alfonsino, Mahi Mahi Resort, Pirahna Pit
Tower Control: Urchin Underpass, Walleye Warehouse, Arowana Mall, Blackbelly Skatepark, Port Mackerel, Kelp Dome, Bluefin Depot, Moray Towers, Camp Triggerfish, Flounder Heights, Museum d'Alfonsino, Pirahna Pit, Ancho-V Games
Rainmaker: Urchin Underpass, Walleye Warehouse, Saltspray Rig, Arowana Mall, Port Mackerel, Kelp Dome, Bluefin Depot, Moray Towers, Camp Triggerfish, Flounder Heights, Museum d'Alfonsino, Mahi Mahi Resort, Ancho-V Games.
I generally find the game pretty balanced so I can't complain much. If I had to pick an absolute favorite, you already know Triggerfish Rainmaker is king, baby.