Islands, Bosses & Locations — Updated June 2026

100 Days At Sea Map & Island Guide

Complete guide to every island and boss in 100 Days At Sea — resource locations, difficulty ratings, boss fight strategies, and exploration tips for all 8 zones in the game.

All 100 Days At Sea Islands

Every island in 100 Days At Sea with difficulty rating, resources, boss, and key exploration tips. Visit islands in order of difficulty for the smoothest progression.

Island Difficulty Key Resources Boss Explorer's Tip
Starter Island Safe Wood, Stone, Coconuts, basic loot crates None Your first stop in 100 Days At Sea — gather wood and stone to build your raft
Jungle Island Easy Tropical Fruit, Vines, Wood, Green Chests None Great for early food and crafting materials in 100 Days At Sea
Desert Island Medium Scrap Metal, Cactus Water, Sand, Blue Chests Sand Worm Watch for Sand Worms — bring a ranged weapon to this 100 Days At Sea island
Shipwreck Island Medium Iron, Gunpowder, Ship Parts, Purple Chests Ghost Captain Best source of Iron in 100 Days At Sea — Ghost Captain drops rare weapons
Volcano Island Hard Obsidian, Magma Ore, Fire Crystals, Red Chests Lava Guardian Bring fire resistance gear — Lava Guardian is one of the hardest 100 Days At Sea bosses
Kraken Zone Very Hard Kraken Ink, Deep Sea Pearls, Legendary Chests Kraken End-game boss zone in 100 Days At Sea — need a full crew and S-tier weapons
Ice Island Hard Ice Crystals, Frozen Fish, Frost Wood Frost Giant Cold damage drains health — bring warm food and fire weapons
Bermuda Island Very Hard Ancient Relics, Mystery Crates, Final Lore Bermuda Entity The final mystery of 100 Days At Sea — complete the main storyline here

100 Days At Sea Island Detail Cards

Detailed breakdown of every island in 100 Days At Sea with resources, boss information, and exploration strategy:

Starter Island

Safe
Resources

Wood, Stone, Coconuts, basic loot crates

Boss

None

Your first stop in 100 Days At Sea — gather wood and stone to build your raft

Jungle Island

Easy
Resources

Tropical Fruit, Vines, Wood, Green Chests

Boss

None

Great for early food and crafting materials in 100 Days At Sea

Desert Island

Medium
Resources

Scrap Metal, Cactus Water, Sand, Blue Chests

Boss

Sand Worm

Watch for Sand Worms — bring a ranged weapon to this 100 Days At Sea island

Shipwreck Island

Medium
Resources

Iron, Gunpowder, Ship Parts, Purple Chests

Boss

Ghost Captain

Best source of Iron in 100 Days At Sea — Ghost Captain drops rare weapons

Volcano Island

Hard
Resources

Obsidian, Magma Ore, Fire Crystals, Red Chests

Boss

Lava Guardian

Bring fire resistance gear — Lava Guardian is one of the hardest 100 Days At Sea bosses

Kraken Zone

Very Hard
Resources

Kraken Ink, Deep Sea Pearls, Legendary Chests

Boss

Kraken

End-game boss zone in 100 Days At Sea — need a full crew and S-tier weapons

Ice Island

Hard
Resources

Ice Crystals, Frozen Fish, Frost Wood

Boss

Frost Giant

Cold damage drains health — bring warm food and fire weapons

Bermuda Island

Very Hard
Resources

Ancient Relics, Mystery Crates, Final Lore

Boss

Bermuda Entity

The final mystery of 100 Days At Sea — complete the main storyline here

Boss Fight Guide for 100 Days At Sea

Detailed boss strategies for every enemy encounter in 100 Days At Sea — from the first Sand Worm to the final Bermuda Entity:

Sand Worm

on Desert Island Medium

Fight Strategy

  • → Use a Flintlock Pistol — ranged attacks are safest against the Sand Worm
  • → Stand on rocks or elevated terrain to avoid the emergence AoE attack
  • → Keep moving between shots — the Sand Worm tracks your last position
  • → Bring 2 Medkits minimum and Cooked Meat for sustain during the fight

Drops

Blue Chests, Scrap Metal, Cactus Water, rare Sand Worm loot

Ghost Captain

on Shipwreck Island Medium

Fight Strategy

  • → The Ghost Captain teleports between attacks — watch for the shimmer effect before teleporting
  • → Iron Sword deals full damage to the Ghost Captain despite its ghostly appearance
  • → Use the ship wreckage as cover between the Ghost Captain's ranged attacks in 100 Days At Sea
  • → Kill the Ghost Captain's summoned ghost minions quickly or they will overwhelm you

Drops

Purple Chests, Iron, Gunpowder, Ship Parts, rare Ghost Captain weapons

Lava Guardian

on Volcano Island Hard

Fight Strategy

  • → Fire resistance gear is mandatory — the Lava Guardian inflicts burn damage on every hit in 100 Days At Sea
  • → Fire Mage class is uniquely effective against the Lava Guardian with fire AOE counter-attacks
  • → Stay at medium range — the Lava Guardian has both a melee slam and ranged magma projectile
  • → Farm 3 Medkits before this fight and keep one in your hotbar at all times

Drops

Red Chests, Obsidian, Magma Ore, Fire Crystals, Lava Guardian exclusive drops

Frost Giant

on Ice Island Hard

Fight Strategy

  • → Fire weapons deal double damage to the Frost Giant — equip Flintlock Pistol with fire upgrades
  • → The Frost Giant's ice breath freezes you in place — dodge sideways when it winds up
  • → Bring warm food like Cooked Meat — Ice Island in 100 Days At Sea drains health without it
  • → Attack the Frost Giant's feet during its stomp animation for safe damage windows

Drops

Ice Crystals, Frozen Fish, Frost Wood, Frost Giant armor pieces

Kraken

on Kraken Zone Very Hard

Fight Strategy

  • → Bring a full crew of 3-4 players — the Kraken in 100 Days At Sea is not reliably soloable
  • → Destroy tentacles first before attacking the main body — tentacles deal massive AoE damage
  • → Ancient Squid class has special tentacle summons that distract the Kraken during the fight
  • → Sharpshooter deals the highest single-target DPS against the Kraken in 100 Days At Sea
  • → Assign one player to revive duty — the Kraken fight in 100 Days At Sea will KO players regularly

Drops

Kraken Ink, Deep Sea Pearls, Legendary Chests, Kraken companion unlock

Bermuda Entity

on Bermuda Island Very Hard

Fight Strategy

  • → The Bermuda Entity is the final boss of 100 Days At Sea — bring your absolute best gear
  • → All four elemental resistances are needed — the Entity cycles through fire, ice, lightning, and dark attacks
  • → Hero class's +10% all stats provides the best baseline for the Bermuda Entity fight in 100 Days At Sea
  • → The Entity has three phases — it gains new attack patterns at 66% and 33% health
  • → Complete all other bosses before attempting Bermuda Entity to ensure your crew is ready for 100 Days At Sea's final challenge

Drops

Ancient Relics, Mystery Crates, Final Lore, Bermuda completion achievement

Exploration Tips for 100 Days At Sea

Make the most of every island visit in 100 Days At Sea with these five exploration strategies:

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Use the Map Item for Navigation

The Adventurer class starts with a Map in 100 Days At Sea that shows island positions relative to your current location. If you are not playing Adventurer, craft or find a Map as soon as possible. Knowing island positions in 100 Days At Sea before you sail prevents wasted travel time on long ocean crossings.

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Clear Every Chest Before Leaving

Each island in 100 Days At Sea has a fixed number of chest spawns per visit. Always clear every chest before sailing away — missed chests do not respawn on return visits in 100 Days At Sea. The Treasure Hunter class's +25% chest loot quality makes this especially important for rare item farming.

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Mark Dangerous Islands for Later

If you discover a Hard or Very Hard island in 100 Days At Sea before you are ready, note its position and return when properly equipped. Rushing into Volcano Island or Kraken Zone under-geared in 100 Days At Sea will waste your Medkits and potentially end your run. The sea will wait.

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Visit Islands in Daylight When Possible

100 Days At Sea has a day and night cycle that makes island exploration harder at night. Night vision enemies are more active after dark, and chest detection is harder without the Night class. Plan your 100 Days At Sea exploration so you arrive at new islands during daylight hours for safer navigation.

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Bring a Companion for Exploration Bonus

The Parrot companion from Pirate Chest gives +15% more loot on every island visit in 100 Days At Sea. Combined with the Treasure Hunter class, this makes each chest drop significantly more valuable. For exploration-focused runs in 100 Days At Sea, the Monkey companion (+15% speed) also helps cover islands faster.

100 Days At Sea Map FAQ

How many islands are in 100 Days At Sea?
100 Days At Sea features 8 distinct islands: Starter Island, Jungle Island, Desert Island, Shipwreck Island, Volcano Island, Ice Island, Kraken Zone, and Bermuda Island. Each island in 100 Days At Sea has unique resources, a specific difficulty level, and most have a boss encounter. Island positions are determined by your seed, so the distances between them vary each run.
Where is the Kraken in 100 Days At Sea?
The Kraken in 100 Days At Sea spawns in the Kraken Zone — a deep ocean area separate from the main island chain. The Kraken Zone is a Very Hard difficulty area in 100 Days At Sea and contains the game's strongest enemies before the final Bermuda Island. Look for the Kraken Zone landmark on your in-game compass or Map item. The Ancient Squid class in 100 Days At Sea has special abilities designed for Kraken encounters.
What island has the best loot in 100 Days At Sea?
For rare loot in 100 Days At Sea, Kraken Zone is the best zone with Legendary Chests, Kraken Ink, and Deep Sea Pearls. For mid-game loot, Shipwreck Island has Purple Chests with rare weapons and Ship Parts. Bermuda Island in 100 Days At Sea holds Ancient Relics and Mystery Crates for the final storyline. Volcano Island has Red Chests with Fire Crystals and Obsidian for top-tier crafting.
What order should I visit islands in 100 Days At Sea?
The recommended island order in 100 Days At Sea is: Starter Island (Day 1) → Jungle Island (Day 2-5) → Desert Island (Day 10-15) → Shipwreck Island (Day 15-25) → Volcano Island (Day 35-45) → Ice Island (Day 50-60) → Kraken Zone (Day 70+) → Bermuda Island (Day 90-100). Following this order in 100 Days At Sea ensures you never enter a zone under-geared.
How do I beat the Kraken in 100 Days At Sea?
To beat the Kraken in 100 Days At Sea, you need a full crew (3-4 players), S-tier weapons like Iron Sword or Flintlock Pistol upgraded to maximum, multiple Medkits, and ideally the Ancient Squid class for its +25% water abilities. The Kraken in 100 Days At Sea has multiple tentacle attack patterns — focus tentacles first, then attack the head when it surfaces. Ranged weapons like Sharpshooter's are optimal for the Kraken fight.
What is Bermuda Island in 100 Days At Sea?
Bermuda Island is the final island in 100 Days At Sea and the location of the game's main storyline conclusion. Bermuda Island in 100 Days At Sea is a Very Hard difficulty zone containing Ancient Relics, Mystery Crates, and the Bermuda Entity boss. Defeating the Bermuda Entity in 100 Days At Sea completes the game's main narrative and is typically accomplished on or before Day 100 in a complete run.

More 100 Days At Sea Guides

Now that you know every island, find the best seed for your map layout and pick up survival tips for your next 100 Days At Sea run.

Best Seeds Survival Tips