
Coastline: Sunbeam
Designed to provide a lightning-fast experience, with all the building tools you'll ever need. Includes Litematica and Axiom.
⬇ Download on Modrinth

Coastline Sunbeam
The ultimate modpack for building, made to work seamlessly on Coastline. Coastline Sunbeam contains everything found in Coastline Definitive, adding powerful building tools to expedite your creativitiy. Experience a fully built-in editor UI and schematic tools, fully integrated with the countless features Coastline Definitive has to offer— planes, ships, knives, and breathtaking landscapes.
Requirements
This modpack is built for version 1.21.1 and runs best on the latest version of Java. To run, it needs a launcher like Curseforge, Modrinth, or Prism.
FAQs
What's Coastline? Coastline is a modded SMP focused on exploration and building. We're always happy to welcome new players. To get started, join our Discord server, which is linked to this page. How does this differ from Coastline Definitive? Coastline Sunbeam offers two main new tools for builders: Axiom and Litematica. Nothing is removed.Check out our other versions:
Note: All resources and third-party material belong to their respective owners. Redistribution may be handled in accordance with the licenses of the original creator. All content used with permission from the initial developer.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as Coastline Sunbeam 1.0.0.mrpack
- Download size: 69 KB
- Download link checked 20 Aug 2026 — working
These come from our own check of the pack file, not from the source page.