Explore, get a beacon w u anytime and mark the zones or just memorize. Its not that hard actually Scrap = any biome and close to wrecks Gold and silver =Rounded rock and rock wirh spikes Etcetc

Combination of scanner room and just exploring. The beauty of Subnautica is that you never know what you'll find when you explore.

There are several types of biomes, but scan for resources. You don’t need to remember, but follow where the story leads you.

Exploration. Experience. And sometimes scanner rooms.

In most cases you don't necessarily have to go looking for specific resources. As you follow the PDAs and radio messages and other story progression hooks, the game will typically lead you to most of the places that have the new resources you need.

Example: A PDA you find on the >!floating island!< leads you to >!the Degasi base in Jellyshroom!< where you find magnetite. The beacon for >!lifepod 19 !!Sunbeam plotline!< leads you to the >!mountain island !<where you find shale and lithium and such.

Explore and memorise

It totally depends on the sort of resource you are after. They are spread out all over. Usually specific resorces are found in certain places while others are found throughout.

Lithium spawns in Mushroom forest.

Rubies spawn in Bulb Zone, next to the hot water vent thingies. Watch out for bonesharks.

If you want to find everything yourself, without looking anything up, you'll want to find the fragments to build basic base pieces and a scanner room.

The scanner room checks for a resource you select within a range.

Build a scanner room in multiple biomes, and you'll start to see where all of the resources are throughout the world.

Besides that -- scan things and check your PDA. It'll tell you more about any resources it can make since some things require "samples."

Build a scanner room and a HUD chip, let it do your job

Go. Deeper.

Head to Lifepod 19. Along the black walls in that entire area you'll find a TON of ruby. It goes down to 300 meters.

Only place I can think of is the place where officer keen's lifepod is

Sparse reef, it is right under the big floating island

First of all make a Seamoth depth module if you haven’t yet, then make a depth module MK2. For that you need magnetite which is found in abundance in the Jellyshroom caves (big glowing mushrooms), then if you want rubies, the first place off the top of my head would be the grand reef (go in the direction of the big cloud to the right of the Aurora)

Cyclops fragments - Mushroom forest (signal for emissary will guide you there) Cyclops engine - near the Aurora engines/Underwater Islands wreck outside of it on the ground.  Ruby near Officer Keen lifepod and in general in that biome plenty Magnetite - Yellyshroom cave (Ozzies lifepod gives you a clue)  Ion Cubes generally in Alien facilities  Crystalline Sulfur in Lost River (green brine pools) 

Use this interactive map it’ll pretty much give you everything you need https://subnauticamap.io

Magnetite is in the jellyshroom caves. The place with the purple mushrooms. >!Its where Degasi Base 2 is. Or theres an entrance near lifepod 17.!<

Cyclops bridge and hull fragments are best found in the mushroom forest >!northwest or northeast fo your spawn approximately.!< cyclops engine fragments are harder. >!I recommend the underwater islands wreck just west of the Island where the sunbeam came or rhe crag field far behind the aurora with the spikes where all the bonesharks are.!<

If you want to avoid spoilers, get yourself a scanner room. Build it near Lifepod 17. Use the remote cameras to find your first magnetite, then construct the HUD chip. A scanner room, solar panel, and hatch don’t take up a lot of inventory space so you can deconstruct it and take it from biome to biome to find everything you need. 

WHOLE COMMENT IS SPOILERS BUT THIS IS A SPOILERS THREAD SO I SHOULD BE OKAY RIGHT?

Mushroom cave for gold, lithium, and magnetite. Grassy plains (red grass) for quartz, sandstone. Sea traders path for shale out cropping. Shallows and the stalkers place (the green one) for limestone.

Personally, I love putting down a scanner base right by lifepod 17, near the entrance of the mushroom caves. Plenty of sandstone, limestone, metal salvage, quartz, and the goodies in the cave, of course.

I've been looking for a reason to write this down somewhere. Ignoring the stuff that's obvious, ubiquitous, or late-game (you'll find it when you get there), the first good place to find certain items is:

• Lithium is in >!the Mushroom Forests!<
• Magnetite is in >!the Jellyshroom Caves!<
• Ruby tends to be >!near thermal vents!<
• And there's a lot of good stuff in >!the caves on the QEP island.!<

If you forget what outcrops hide which resources, check your PDA.

Scanner Rooms are under-appreciated. Get yourself the HUD chip ASAP, priority number one as soon as you find your first Magnetite.

Also, grab a sample of every single plant the game will let you pick up and build a series of growbeds in and around your main seabase for them. With the possible exception of the Tiger Plant.

Sea Treaders Path have infinite shale deposits. They appear after the sea treaders take a step. You’ll never run out of gold, lithium, and diamonds.

Over the Jellyshroom cave, every basic ressource in a 100m radius

Behind the Aurora!

Wouldn't >! sea treader's path!< be best for gold, lithium and diamonds?

Underwater Islands has tons of large gold deposits all around it

Deep twisty bridges. Another great location is the mesas and cracks of the Thermal Spires

Deep twisty brigdes but be carefull of the squid shark

Below the twisty bridges. You can get o2 quite deep and reach the bottom with your seaglide

Not joking, when I first played I couldn’t find sulfur till a grav trap pulled it for me

This is useful when you can’t really see where resources are. It’s how I got first bits of lithium and magnetite. It’s also somewhat better than chasing fish down.

Wow, I might actually make a grav-trap now

also really useful with sea trader leviathans

Nice! I never thought of this :)

Testing the game now, 4 hours into it. Thank you for this perfect guide.

This guide is perfect

You lost me at do not install any mods. As soon as I can download the gargantuan leviathan you best believe I will be!