100 Days At Sea Guide: Best Classes & Survival Setup - Guide

100 Days At Sea Guide: Best Classes & Survival Setup

Master Roblox 100 Days At Sea with our survival guide. Learn the best classes, companion tier lists, raft building steps, and boss strategies.

2026-06-27
100 days at sea Wiki Team
Quick Guide
  • Primary Objective: Survive the Bermuda Triangle for 100 days by gathering resources, building a secure raft, and defeating bosses.
  • Active Codes: Redeem the code 20Pearls in the top-left menu for a quick head start on your class progression.
  • Top Class: Unlock the Survivor class early to benefit from passive health regeneration and reduced hunger decay.
  • Key Companion: Aim for the Salamander from Magma Chests to automate resource collection and speed up your building.
  • Safe Progression: Fortify your raft and upgrade your bonfire level before exploring high-threat biomes like the Volcano or Ice regions.

100 Days At Sea Guide: Starter Loop & Active Codes

Surviving the treacherous waters of the Bermuda Triangle in Roblox's 100 Days At Sea requires a perfect balance of resource management, strategic building, and combat preparation. This 100 days at sea guide is designed to take you from a basic wooden plank to a massive, fully fortified floating fortress capable of taking down legendary sea monsters.

The core gameplay loop revolves around using your harpoon to hook drifting resources, expanding your raft, cooking food to manage your hunger, and gearing up to tackle mysterious islands. To give yourself an immediate advantage, you should take advantage of the active developer codes. These codes grant Pearls, the premium currency used to unlock powerful classes and companion chests.

CodeRewardRedemption LocationStatus
20Pearls20 PearlsIn-game Codes Menu (Top-Left)Active
Redemption Safety Warning

Only redeem codes through the official in-game user interface. Never use third-party browser extensions, external scripts, or websites that ask for your Roblox password to claim rewards.

To redeem your rewards, launch the game on Roblox, click the "Codes" tab located at the top-left corner of the screen, input the active code exactly as shown, and click submit. Saving these early Pearls is critical for unlocking your first survival class.

Class Rankings: Best Loadouts for Survival

Classes in 100 Days At Sea function as permanent loadouts that you purchase using Pearls. Each class equips your character with a unique starter tool and provides a permanent passive buff. Choosing the right class can completely redefine how safe, fast, or combat-ready your survival run feels.

ClassPearl CostStarter ToolPassive BuffsBest Role
Survivor50Chowder10% faster regen, extra oxygen, less hungerSolo survival
Medic60MedkitFaster health regenerationCo-op support
Sharpshooter400FlintlockFaster reload, 50% more gun damageBoss DPS
Pirate500BlunderbussBetter boat handling, 50% more gun damageRanged combat
Raider750Dual PistolsAmmo on kills, 15% faster sprintIsland raids
Fire Mage750Magma Staff50% more Magic DamageLate-game DPS

Survivor Class

  • Cost: 50 Pearls
  • Starter Tool: Chowder
  • Key Buffs: Faster regeneration, extra oxygen, and reduced hunger.
  • Verdict: The absolute best value for beginners and solo players.

Medic Class

  • Cost: 60 Pearls
  • Starter Tool: Medkit
  • Key Buffs: Rapid health regeneration.
  • Verdict: Essential for team play to keep the crew patched up during raids.

Raider Class

  • Cost: 750 Pearls
  • Starter Tool: Dual Pistols
  • Key Buffs: Ammo drops every 5 kills, 15% faster sprint.
  • Verdict: The premium choice for clearing high-threat islands.
Progression Tip

Do not rush to buy mid-tier classes. Save your initial Pearls from codes and early milestones to buy the Survivor class immediately. It provides the most forgiving passive buffs to help you survive past Day 30.

Companion Chests: Best Passive Perks

Companions are valuable allies that float alongside you, providing automated utility or combat modifiers. You can obtain companions by spending Pearls on various chests. While the drop rates for the best companions are low, securing one will drastically reduce the difficulty of your 100-day journey.

CompanionChest TypePearl CostDrop ChanceCore Perk
SalamanderMagma Chest1205%Automatically picks up and delivers nearby loot
Magma GolemMagma Chest1205%Grants +10% melee damage
SwordfishWarrior / Pirate80 / 1205%Grants +10% melee damage
Pirate GunnerPirate Chest1205%Grants +10% gun damage
OctopusWarrior Chest8016%Brings random materials every 120 seconds
S-Tier Utility Showcase

The Salamander is widely considered the best utility companion in the game. By automatically vacuuming up drifting materials, it allows you to focus entirely on building, cooking, and defending without having to constantly throw your harpoon.

If you are struggling with hunger management, aiming for the Crow or Seagull (30% drop chance from Magma and Pirate chests respectively) is a solid backup plan, as they periodically fetch food items for you.

Raft Construction: Building the Ultimate Base

Your raft is your only safe haven in the open ocean. A poorly planned raft will quickly crumble during nighttime raids, while a well-structured base provides the utility and defense needed to sustain long-term survival.

1

Hook Drifting Resources First

Before moving your raft or exploring, stand at the edge and use your harpoon to hook drifting wood, plastic, and metal. Stockpile these core materials in chest storage.

2

Expand the Foundation Strategically

Expand your raft to at least a 6x6 grid. Keep vital structures like chests, the cooking pot, and your bed in the center, away from the outer edges where enemies attack.

3

Upgrade Your Bonfire

The bonfire is the heart of your raft. Upgrade it consistently from Level 1 to Level 9. Higher levels unlock advanced structures and keep you warm in cold biomes.

4

Set Up Food and Healing Stations

Craft a cooking pot to prepare Chowder. Having a dedicated cooking area ensures you can quickly restore your hunger and health before embarking on long voyages.

5

Fortify the Perimeter

Install defensive walls around your core structures. Create clear combat lanes so you can shoot or strike attacking enemies without blocking your own movement.

Defense Note

Nighttime raids scale in difficulty as the days progress. Never leave your raft completely undefended. If you are playing in a co-op group, ensure at least one player stays back to guard the base during island expeditions.

Raft Progression Checklist:

  • Reach Bonfire Level 5 to unlock mid-tier crafting
  • Build a secure storage room with at least 4 chests
  • Craft a cooking pot and prepare a stack of Chowder
  • Install defensive perimeter walls around the bonfire

Exploration Routes: Biomes and Boss Encounters

Once your raft base is stable and you have secured a reliable class, you can begin charting routes to the various islands and biomes scattered across the map. Defeating bosses is the only way to earn top-tier weapons and complete late-game achievements.

Route NameCore ThreatRecommended GearKey RewardsMajor Badge
Open-Sea RouteBasic island mobsMachete, Survivor ClassChest weapons, Basic lootMagellan
Squid Boss RouteSquid BossFlintlock, Medic ClassHigh-tier boss weaponsArms of Victory
Volcano RouteFire Golems, Lava LordMagma Staff, Fire protectionMagma weapons, Rare resourcesLate-game Progression
Ice Biome RouteIce Boss, Frost hazardsCold-resistant armorArctic gear, Penguin rescueKing Of The Snow
High-Threat Hazard Warning

The Volcano and Ice biomes feature environmental hazards (extreme heat and freezing cold) that will rapidly drain your health. Do not attempt these routes unless your bonfire is highly upgraded and you have appropriate protective gear.

When targeting the Squid Boss, construct a raised platform on your raft. This allows your ranged attackers (such as Sharpshooters or Pirates) to fire safely from above while melee players manage any smaller minions that spawn during the encounter.

Frequently Asked Questions

To wrap up this 100 days at sea guide, we have compiled answers to the most common questions players ask when trying to survive the open ocean.

Q: How do I redeem promotional codes in 100 Days At Sea?

Launch the experience on Roblox, locate the Codes tab in the top-left corner of the interface, enter an active code like '20Pearls', and click submit to claim your free currency.

Q: What is the absolute best class for solo players?

The Survivor class is the best choice for solo play. It is cheap (50 Pearls), gives you starter Chowder, and features passive buffs that reduce hunger decay and increase health regeneration.

Q: How do I protect my raft from being destroyed during night raids?

Keep your vital crafting stations in the center of your raft, build defensive walls around the perimeter, and make sure your bonfire is upgraded to keep enemies visible during the night.

Q: What should I do if I run out of ammo during a boss fight?

Switch to a high-damage melee weapon like the Machete or Claymore, or run a class like Raider which drops ammo automatically upon defeating enemy minions.

Final Survival Tip

Patience is your greatest asset. Do not rush to fight bosses on Day 10. Focus on your raft's foundation, secure a reliable food source, and only sail into high-threat biomes when you are fully geared and prepared.