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To reach Atlantis in Fisch, travel to Grand Reef, find the central island, and enter the crevice near GPS -3576, 148, 524. A recent Fisch Wiki walkthrough reports that this crevice leads directly to Atlantis; the Heart of Zeus and the old Forsaken Shores quest are not required for entry according to that guide. Fisch Wiki’s Atlantis guide
Where is the Atlantis entrance in Grand Reef?
- Travel to Grand Reef.
- Head to its central island and locate the crevice around GPS -3576, 148, 524. This is the entrance location reported by the Fisch Wiki guide; treat the coordinates as a guide rather than an official game marker. Fisch Wiki
- Enter the crevice to reach the Atlantis hub, according to that walkthrough.
After arriving, the guide reports an Inn Keeper and a portal back to Moosewood near the arrival point. It recommends Advanced Diving Gear and Super Flippers for long underwater sections, but does not describe either item as a requirement to enter Atlantis. Fisch Wiki
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Do you still need the Heart of Zeus?
For the direct Grand Reef crevice route, a recent walkthrough says no: the Heart of Zeus and the older Forsaken Shores lever-and-TNT sequence are no longer needed to enter. However, guides disagree. A walkthrough updated in July 2026 gives the same crevice coordinates while still describing the Heart of Zeus as required. Fisch Wiki Game.Guide
The older route involved pulling five levers at Forsaken Shores, taking TNT from the skull, using it to open an underwater passage at Grand Reef, then carrying the Heart of Zeus to a lightning crack. That sequence is legacy guidance, not the best-supported first route to try now. The Heart of Zeus item page continues to describe its use in the older route. Fisch Wiki: Heart of Zeus
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If the crevice does not transport you in your current game, check the live in-game route after the latest update: the available walkthroughs conflict, and neither is an official patch note or a live test.
What happens after you reach Atlantis?
Reaching the hub is separate from completing Atlantis’ trials. The community wiki describes several later areas and challenges, including Sunken Depths, Poseidon’s fish-pedestal offering, a timed Zeus trial, and Ethereal Abyss. It describes Sunken Depths as solo-capable and Ethereal Abyss as requiring at least two players. These progression challenges are not prerequisites for entering the hub. Fisch Wiki
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