100 Days At Sea
Raft station

100 Days At Sea boat upgrades and raft station

Upgrade the raft around the pressure ending the run: structure and storage first, then check the current build menu before relying on Sawmill, Crab Trap, Map Radar, defenses, or later support.

Open official gameSurvival guide

Starter order

First make the raft stable, then add room and storage discipline. Sawmill availability is not confirmed by the current evidence, so read the current build menu before planning around it or a Crab Trap. If you cannot unload safely, the next upgrade should make the raft easier to work on, not send you farther away.

  • Structure before travel.
  • Storage before multi-island routes.
  • Use Sawmill only when the live menu makes it available.
  • Use Crab Trap only when the live menu and prompt support the route.
Why this advice is shown
  • Harpoon gathering, raft-base building, structures, defenses, exploration, weapons, and foes. View supporting source
  • Observed grinder, raft creation, old sack, Cooking Pot, Map Radar, and Crab Trap visibility in one run. View supporting source

Food and craft support

Use cooking or Crab Trap support only when the current menu and prompt confirm the option. Map Radar was observed in the build menu, but the evidence substantiates its build-menu visibility only. Read the live description before choosing it, and choose only a visible upgrade that addresses the pressure ending the run.

  • Read the live cooking prompt before relying on it.
  • Keep the food route short when no Crab Trap prompt appears.
  • Treat every Map Radar effect as live-text dependent.

Bonfire and fuel line

Bonfire badges confirm that level progression exists, but they do not establish a specific level-to-tool unlock chain. Keep fuel visible and read the current build menu before planning around later support tools.

  • Do not let the raft outgrow fuel planning.
  • Burn items deliberately.
  • Give one crew member fuel responsibility in group runs.

Trip readiness

A boat upgrade is ready only when it supports the next trip. If the raft cannot bring supplies home, wait, unload, cook, repair, and improve the station first.

  • Have food for the return, not only the departure.
  • Unload the old sack before another island chain.
  • Repair or defend before risky travel.
Why this advice is shown
  • Harpoon gathering, raft-base building, structures, defenses, exploration, weapons, and foes. View supporting source
Survival steps

Use it in game

  1. Patch basic structure.
  2. Create room for supply storage.
  3. Use the old sack and unload after each trip.
  4. Read the current build menu before relying on Sawmill support.
  5. Check live Crab Trap or cooking prompts when food is the pressure.
  6. Read the current Map Radar description without assuming a route benefit.
  7. Add defenses before fights.
  8. Run one island trip and return safely.
FAQ

Player questions

What boat upgrade should I build first?

Build basic structure and storage safety, then read the current build menu before choosing any Sawmill or Crab Trap route.

How should I handle exact upgrade costs?

Read material costs in the live build and use this page for the order of decisions.

Why are bonfire upgrades included?

Fuel pressure clearly affects long runs, so plan raft upgrades around the bonfire instead of treating it as an afterthought.

When should I add defenses?

Add defenses before long travel or enemy-heavy exploration.

Can raft upgrades help day 100?

Yes. Stable raft structure, fuel, food, storage, and defense make late-day mistakes less likely.

Are Cooking Pot, Crab Trap, and Map Radar all early upgrades?

Treat them as live-menu decisions, not a fixed order. The current evidence confirms Map Radar menu visibility only, so read the live text before choosing it.

What is the storage rule?

Do not leave an island with useful items still in your hands. Store them, return, unload, then decide whether the next island trip is worth the risk.

Related sea logs

Survival

Survive by turning the starter beach into a working raft route first. Feed loose scrap into the grinder, craft the raft, use the old sack for return trips, secure food, then expand only when fuel and storage are under control.

Crab Trap

Crab Trap visibility was observed in the build menu, but recipes and collection behavior can change. Read the current menu and collect only when the live game shows an interaction prompt.

Pump Jack

Check the current build menu for Pump Jack, follow only the current in-game prompt, and collect only when a current prompt appears. If the menu, prompt, or output is absent, return to the normal fuel route instead of waiting on an assumed timer. No exact unlock requirement or production timer is published here.

Raft Route

Route your run in bands: grind and craft the raft early, stabilize storage and food by day 10, make day 20 trips solve one problem, make day 50 trips protect supplies, and treat day 100 as a rescue push.

Wiki

The useful loop is supply gathering, harpoon pulls, raft building, island exploration, weapon finding, bonfire progress, cooking, and day survival milestones.

Gamepasses

The current official Roblox store response lists no game passes. Learn the free survival loop and use only Roblox purchase surfaces if the store changes.