Chaos Island Fishing Spot Guide: Location, Fish, and Big's Shop

Discover the precise location of the Chaos Island fishing spot in Sonic Frontiers, a list of all unique fish, and what items Big the Cat sells as of June 22, 2026.

Chaos Island Fishing Spot Guide: Location, Fish, and Big's Shop — illustration

The Chaos Island fishing spot is located on a smaller, isolated island in the southern part of Chaos Island. To access it, you will likely need to clear the M-068 puzzle, which is situated on the leftmost island of the map and grants access to the southeastern landmass where the fishing spot resides.

Chaos Island Fishing Spot Location

To find the fishing spot on Chaos Island, navigate to the southern region of the map. It is distinctly positioned on its own smaller island, separate from the main landmass. Players will often gain access to this area after completing the M-068 puzzle, which is found on the far-left island of Chaos Island. This puzzle completion unlocks the lower southeastern section of the map, leading directly to the isolated fishing location. The area is also beneficial to visit for map completion and to tackle challenges.

Big’s Purchasable Items

When you engage in the fishing mini-game on Chaos Island, you’ll have the opportunity to purchase various items from Big the Cat. These items are bought using tokens, which are acquired by successfully catching fish. The selection includes essential progression items, memory tokens, and valuable resources for Sonic’s abilities and progression.

ItemToken Cost
Portal Gear8
Egg Memo15
Tails Memory Token15
Chaos Emerald Vault Key15
Red Seed of Power2
Blue Seed2
+20 Lost Koco3
+100 Rings1
+50 Skill Pieces1

Purchasing Portal Gears is crucial for unlocking new Cyber Space levels, while Chaos Emerald Vault Keys are necessary for progressing the main story. Egg Memos and Tails Memory Tokens contribute to lore and character development. The various seeds and Koco items offer direct upgrades to Sonic’s stats and help locate collectibles, making fishing a versatile activity for both progression and enhancement.

All Fish on Chaos Island

Chaos Island features a unique array of fish species that are not found on other islands like Aries Island. Successfully catching these fish contributes to your Fish-o-pedia and provides tokens for Big’s shop. A diverse catch list ensures a steady supply of tokens for purchasing needed items.

Fish Species
Loach
Snapping Turtle
Flounder
Pufferfish
Alligator
Yellow Spring
Item Box
Twig
Acorn
Stingray
Starfish
Hammerhead Shark
Ancient Tablet
Polka-Dot Hammerhead Shark
Black Starfish
Flashy Anglerfish

The variety of items that can be “fished” on Chaos Island, including non-aquatic objects like Yellow Springs and Item Boxes, adds an element of surprise to the fishing mini-game. Catching all unique species and items contributes to overall game completion, even if it doesn’t directly impact trophies, as it fills out the Fish-o-pedia.

FAQ

Where exactly is the Chaos Island fishing spot? The Chaos Island fishing spot is located on a small, isolated island in the southern part of Chaos Island, typically accessible after completing the M-068 puzzle.

What can I buy from Big at the Chaos Island fishing spot? You can purchase Portal Gears, Egg Memos, Tails Memory Tokens, Chaos Emerald Vault Keys, Red and Blue Seeds of Power, Lost Koco, Rings, and Skill Pieces from Big using fishing tokens.

Are there unique fish on Chaos Island? Yes, Chaos Island has a specific set of fish and items that cannot be found on other islands like Aries Island, including Loaches, Snapping Turtles, Hammerhead Sharks, and even items like Yellow Springs and Ancient Tablets.

Do I need to fish on Chaos Island for game progression? While not strictly mandatory for all aspects, fishing provides essential items like Portal Gears and Chaos Emerald Vault Keys, which are crucial for story and level progression. It also offers valuable resources for character upgrades.