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The Loop (Games)
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"Seaside Island" may refer to:
Levels
- Seaside Island (level), the level in Sonic Boom: Fire & Ice.
Locations
- Seaside Island, the main setting in the Sonic Boom franchise.
- Seaside Island (Mirror Dimension), the location in the Mirror Dimension
- Seaside Island (alternate dimension), the location in the alternate reality of the Sonic Boom World.
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