Polly Port

 is a coastal city in southern Astaria.

Blue Cove
The Blue Cove (青の入江) is the area of the city that Kevin almost drowned in.

Plot
Cooro and friends head to the beach to enjoy the ocean. Husky heads off by himself and comes across a drowning boy, Kevin. Husky dives in and uses his Anima to save Kevin.

When Kevin starts telling the locals that he was saved by a mermaid, they start plotting to capture the mermaid. Cooro and friends trick the locals into throwing shiny things into the ocean, and Husky collects them at night.

The locals trick Kevin into going out on a boat rigged to sink. Husky saves him again and reveals his Anima to Kevin. The +Anima then leave.