Strategy: Chunk groups of items together. Separate and categorize by their islands resulting in efficient item searches. (Legit didn't know this existed: OP thinks this one is crazy btw)
"Keep the islands clean, and you can navigate your inventory like a map. Search efficiency maximized."
Pros:
- Easy to find items and keep track
- Looks amazing
Cons:
- New item entering inventory can flow through between islands, making it confusing where the borders are
- Have to manage if islands grow too large
The Archipelago (ignore the fishes :D) 
Strategy: No Strategy (Item flows into any slot, goes out of slot)
"If you arrange your items all the time, you suffer 100% of the time. If you only search your item only
as and when you need it, you only suffer 1% of the time. You know, pay as you go?"
Pros:
- No sorting headache, OCD free life
- Effort spent sorting items everyday is used to find items only when necessary.
Cons:
- Takes a while to find an item
- Easy to lose track of what you have or don't have (if not using API site)
Strategy: Use bags to group things by category. Can leverage on certain types of bags like with priority functions like (20_Slot_Fractal_Exotic_Equipment_Box) to auto sort
"Let the bags do the work."
Pros:
- Simple categorization allows items to be found very easily. As long as user has familiarized with their own configuration
- Can easily reshuffle inventory groups by swapping the bag around (on the left panel)
Cons:
- Bag overflow management is messy
- Some bags don't necessarily get filled to full, but since we are using show-bags checkbox ticked, we know exactly where the breakpoints are. (This is still a problem when maximizing all slots is concerned)
Strategy: Permanent items at bottom (Bedrock), Temporary items on top (Float/ loot catchments).
Let items accumulate at top, use the bank deposit button and salvage kit to do most of the sorting. 90% of time salvage and deposit to bank will sort everything. Anything that remains will either be junk or valuable keep to sink down to bottom.
"Minimize work by letting most things sort themselves. We only pay attention to outliers."
Pros:
- No separation effort: New items floating on top automatically and naturally separates the new items from bottom items (which are permanent)
- Only need to arrange the permanent items once in a while if they appear amongst the floating loots
Cons:
- Slightly harder to find items if the bedrock/ permanent item stack is huge.
- Categorization border on bedrock may not be clear without some kind of indicator
What's yours like ?
Ocean and sediment enjoyer. Sediment is usually empty though. I have max shared slots so most everything I use a bunch is up there and outside of that any items I might need sit on top.