Island Buildings

There are three building categories for the Island Sanctuary. They are "Cabin & Fields", "Processing Facilities", and "Landmarks".

Cabin & Fields

Cabins

Building	Unlock Level	Build Time	Island EXP	Materials
Cozy Cabin I	1	Instant	??	10 Island Palm Log 10 Island Palm Leaf 5 Island Vine 5 Island Stone 5 Island Sand
Cozy Cabin II	4	Instant	??	10 Island Log 10 Island Vine 10 Island Limestone 5 Island Palm Leaf 5 Island Copper Ore
Cozy Cabin III	7	Instant	2,565	10 Island Log 10 Island Log 10 Island Limestone 10 Island Cotton Boll 5 Island Hemp 5 Island Clay

Cropland

Building	Unlock Level	Build Time	Island EXP	Materials
20px Cropland I	2	Instant	0	Free
20px Cropland II	4	2 hours	??	1000 Seafarer's Cowries
20px Cropland III	7	4 hours	??	1500 Seafarer's Cowries

Pastures

Building	Unlock Level	Build Time	Island EXP	Materials
20px Pasture I	2	Instant	0	Free
20px Pasture II	4	2 hours	??	1000 Seafarer's Cowries
20px Pasture III	7	4 hours	??	1500 Seafarer's Cowries

Processing Facilities

Workshops

Building

Unlock Level

Build Time

Island EXP

Materials

Workshop I

3

Instant (first)
1-2 hours (others)

1,425

10

Island Log

10   Island Palm Leaf
10   Island Limestone
  5   Island Vine
  5   Island Sand

Workshop II

6

?? hours

??

15

Island Log

15   Island Limestone
10   Island Hemp
  5   Island Clay
  5   Island Copper Ore

???

Workshop III

8

11-12 hours

??

15

Island Iron Ore

15   Island Leucogranite
10   Island Log
10   Island Hemp
  3   Raw Island Garnet

Granaries

Building	Unlock Level	Build Time	Island EXP	Materials
Granary I	5	1-2 hours	??	10 Island Palm Log 10 Island Log 10 Island Clay 10 Island Copper Ore 5 Island Vine
Granary II	6	??? hours	??	15 Island Palm Log 15 Island Log 10 Island Hemp 5 Island Clay 5 Island Tinsand
Granary III	8	11-12 hours	??	15 Island Log 15 Island Iron Ore 10 Island Leucogranite 10 Island Clay 3 Island Spruce Log

Landmarks

Building	Unlock Level	Build Time	Island EXP	Materials
Quixotic Windmill	3	11-12 hours	??	15 Island Log 15 Island Limestone 10 Island Palm Log 5 Island Vine 5 Island Copper Ore
Towering Tree Fort	3	11-12 hours	??	15 Island Palm Log 15 Island Log 10 Island Limestone 5 Islewort 5 Island Vine
Boiling Bathhouse	5	11-12 hours	??	15 Island Log 15 Island Log 15 Island Limestone 10 Island Clay 10 Island Palm Leaf 3 Island Clam
Lominsan Lighthouse	9	11-12 hours	??	15 Island Leucogranite 10 Island Hemp 10 Island Log 10 Island Clay 3 Island Silver Ore
Water Otter Fountain	Special	11-12 hours	??	15 Island Leucogranite 15 Island Limestone 15 Island Clay 15 Islewort 15 Island Alyssum

Per u/Sewer-Rat, the follow items are required to unlock the are the following items (from Level 90*** Expert Crafting; expanded cost includes the doubling):

2x Water Otter Fountain Hardware (BSM/ARM/GSM)
- 2x Igneous Glioaether
- 4x Bismuth Ore
- 2x Phrygian Gold Ore
2x Water Otter Fountain Resin (ALC/CUL)
- 2x Aqueous Glioaether
- 2x Dynamite Ash
- 2x Sideritis Leaves
2x Water Otter Fountain Lumber (CRP/LTW/WVR)
- 2x Verdurous Glioaether
- 2x Red Pine Log
- 2x Snow Flax
- 2x Saiga Hide

Island Hideaway Structures

Contents