Island Scan Ultra Moon: Complete Guide to Find Rare Pokémon

Island Scan Ultra Moon: Complete Guide to Find Rare Pokémon

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Introduction

If you’ve played Pokémon Ultra Moon and explored the Alola region, you’ve likely heard of the island scan ultra moon feature. This in-game tool unlocks a daily opportunity to find rare and otherwise hard-to-encounter Pokémon on each island. In this guide you’ll learn what Island Scan is, how to unlock and use the Island Scan method, the best times and tips for success, and which rare Pokémon you can expect. Whether you’re completing the Pokédex in Pokémon Ultra Moon or hunting shinies, this detailed Island Scan guide will help you make the most of the feature.

What is Island Scan in Ultra Moon?

Island Scan is a mechanic introduced in Pokémon Sun and Moon and carried into Pokémon Ultra Moon. It allows the player to “scan” an island using the Rotom Pokédex to trigger a special Pokémon encounter that wouldn’t appear by normal means. Each island (Melemele, Akala, Ula’ula, Poni) has its own Island Scan list and you can use the scan once per in-game day per island. Think of Island Scan as a daily, scheduled chance to catch a rare, powerful, or otherwise unique species specific to that island.

How to unlock Island Scan (Island Scan guide)

Before you can use the Island Scan method in Ultra Moon, you need to meet a few conditions:

  • Progress requirement: You must have the Rotom Pokédex. This is given to you early in the story after certain events in the Alola region.
  • Location requirement: Be on one of the Alola islands (Melemele, Akala, Ula’ula, Poni). Each island has a unique Island Scan list.
  • Daily limitation: Island Scan can be used once per in-game day per island. If you use it on Melemele today, you cannot use Melemele’s Island Scan again until the next day.

Once unlocked, the Rotom Pokédex will notify you about the Island Scan option. You can then activate Island Scan while standing on the island you want to scan.

Step-by-step: Using Island Scan in Ultra Moon

Follow these steps when you want to use Island Scan in Ultra Moon:

  • 1. Save your game: Always save before using Island Scan — this lets you reset if you encounter an unwanted Pokémon or want to soft-reset for a shiny hunt.
  • 2. Stand on the island: Make sure your character is physically on the island you want to scan. You cannot scan a different island remotely.
  • 3. Open the Rotom Pokédex: Select the Island Scan option. The Rotom Pokédex will perform a scan and identify a Pokémon from that island’s Island Scan list.
  • 4. Track the Pokémon: After scanning, specific cries and a radar-like sound indicate the target Pokémon has appeared. A sound cue will make it easier to locate the spawn.
  • 5. Find the spawn area: The target will appear in a particular zone or sub-area of the island. Walk around and listen or look for rustling grass, tall grass, water splashes, or other signs of wild Pokémon.
  • 6. Engage and capture: When you find the Pokémon, battle or weaken it and then capture it. Use status moves and False Swipe to increase capture rates. If you’re hunting a shiny, save before scanning and soft-reset until you get a shiny encounter.

Tips: If you miss the target or accidentally defeat it, you can re-load your save to try again. However, once you fully exit the area or advance the day, that Island Scan use is considered consumed for that day.

Island Scan mechanics explained (Island Scan mechanics)

Understanding how the Island Scan mechanics work will improve your success rate. Here are the key mechanics to know:

  • One use per island per day: Each island gives a single scan opportunity per in-game day. Visiting different islands allows multiple scans on the same real-world day if you change islands in the game.
  • Time and scheduled time: The in-game time of day can affect certain spawn behaviors. Some Pokémon may be more likely to appear during day or night hours, although Island Scan results are predetermined lists tied to the island rather than time windows.
  • Spawn location variations: The scanned Pokémon may appear on land, in water, or in specific sub-areas. If it’s a Water-type, check surfable areas and coastlines.
  • Shiny chances: Island Scan follows the game’s existing shiny rate. Soft-resetting after saving before a scan is the common method for shiny hunting using Island Scan.
  • Interaction with SOS chaining: Island Scan spawns should be treated like regular wild encounters; you can use SOS chaining or other chaining methods in conjunction but note SOS is a separate mechanic.

Knowing these mechanics helps you plan your Island Scan sessions—especially if you want to chain encounters, use Repels, or apply specific items.

Best times and tips for Island Scan in Ultra Moon

While Island Scan doesn’t require a specific clock time to activate, there are several practical tips and tricks to get the most from each use:

  • Plan island-hopping: If you’re trying for multiple rare Pokémon, travel between islands and use each island’s scan once per day.
  • Use Repels strategically: Repels won’t prevent the Island Scan spawn, so use them to avoid unrelated wild encounters while searching for the scanned Pokémon.
  • Prepare a capture team: Bring Pokémon with False Swipe, sleep or paralysis moves, and quick ball options. Include a Pokémon with Surf or a fishing rod if the target is a Water-type.
  • Soft-reset for shinies: Save before scanning. If you’re after a shiny, scan and immediately look for the Pokémon. If it isn’t shiny, reset to your save and try again another day. This is time-consuming but effective.
  • Use the day-night cycle: Some rare spawns may be easier to find at night due to less ambient wild activity or different encounter patterns, even if the Island Scan target list is static.
  • Listen closely: Audio cues help. The Rotom Pokédex will give a clear signal when the target has spawned—use headphones to avoid missing it.

Top rare Pokémon from Island Scan lists (island scan list & rare Pokémon)

Each island in Alola has curated lists of possible Island Scan spawns. While the exact lists are long, here are some notable and sought-after Pokémon you might encounter with Island Scan in Ultra Moon:

  • Legendary-adjacent or pseudo-rare: Certain islands can yield Pokémon that are otherwise very uncommon in the wild, like Snorlax or Lapras in some versions.
  • Evolution-stage exceptions: You’ll sometimes find high-level evolutions or rare forms that are otherwise obtainable only by evolving or transferring.
  • Island-specific rarities: Some species appear only on specific islands’ scan lists—researching each island’s list lets you target desired encounters.

Example picks: If you’re hunting a Water-type like Dratini or rare Birds like Gyarados, check which island’s Island Scan list includes them and plan accordingly. For Pokédex finishes, Island Scan can be a shortcut to catch Pokémon that don’t normally spawn in your current game progress.

Common misconceptions and troubleshooting

Players new to the Island Scan feature sometimes misinterpret how it works. Here are clarifications and troubleshooting tips:

  • Misconception: You can scan anywhere in Alola: No — you must be on the island where the scan is intended. Each island has its scan and can’t be triggered remotely.
  • Misconception: Island Scan gives legendary Pokémon every time: Island Scan can spawn rare Pokémon, but legendaries are typically not part of the daily Island Scan lists. They are usually obtained via story events or special encounters.
  • Issue: No spawn appears after scanning: Check that you are in the correct location type (water/land). Walk around the area where the game indicates the spawn should be and listen for the cry. Reloading your save and trying again may help if something glitched.
  • Issue: Scan used but nothing happened: Ensure you haven’t already used that island’s scan for the in-game day. Traveling to another island and back won’t reset the scan; you need to change the in-game day (sleep, take a flight in-game that advances the clock, or manual time passing) to renew it.

Example Island Scan session (step-by-step example)

Here’s a concrete example to make the process crystal clear:

  • Save your game in Ultra Moon while standing on Melemele Island at a known spawn area.
  • Open the Rotom Pokédex and choose Island Scan. The Rotom Pokédex announces the scan and indicates the target species.
  • Listen for the scan sound and the Pokémon cry. If the scan target is a water spawn, Surf along the coast until you hear a distinct splash or cry. For land spawns, check tall grass patches and ledges.
  • Once you encounter the Pokémon, weaken it with False Swipe and put it to sleep. Throw Ultra Balls or a Quick Ball if it’s the first turn to maximize capture odds.
  • If you’re hunting a shiny and it isn’t shiny, reset to your save and try again tomorrow (in-game day change) until you succeed.

FAQ (Frequently Asked Questions)

Q1: How often can I use Island Scan in Ultra Moon?

A1: Island Scan can be used once per in-game day for each island. That means you can use it on all islands in one day if you travel between them, but each island’s scan refreshes only after the in-game day advances.

Q2: Is Island Scan available in both Ultra Sun and Ultra Moon?

A2: Yes. Island Scan exists in both Pokémon Ultra Sun and Pokémon Ultra Moon. The island-specific lists can vary slightly between versions, so check version-specific lists if you’re hunting a particular Pokémon.

Q3: Can Island Scan spawn legendaries or Mythical Pokémon?

A3: Generally, Island Scan spawns are rare or uncommon regular Pokémon, not story legendaries or Mythical Pokémon. Legendaries are typically tied to story events or special encounters rather than daily scans.

Q4: Does Island Scan work with daily events or online features?

A4: Island Scan is an in-game feature controlled by your save file and the in-game day. It doesn’t require online features, though you can trade or battle online after catching a Pokémon. Scheduled time and daily events in the game may influence natural spawn patterns, but Island Scan itself is independent.

Q5: Any tips for shiny hunting with Island Scan?

A5: Save before you scan, then scan and immediately search for the target. If it isn’t shiny, reload your save and repeat the next in-game day. Use Repels to minimize other encounters, bring a capture team with False Swipe and status moves, and be patient—shiny hunting takes time.

Conclusion

The island scan ultra moon feature is an excellent, underutilized tool for completing the Pokédex, finding rare Pokémon, and shiny hunting in the Alola region. By understanding Island Scan mechanics, preparing a proper capture team, and using strategic tips like saving before scanning and island-hopping, you can increase your chances of encountering the Pokémon you want. Whether you’re aiming to fill gaps in your collection or hunt a specific rare spawn from an Island Scan list, this guide should give you a clear path forward. Good luck, trainer—may your Island Scan sessions be rewarding and full of rare catches!