Between manual gathering and Crush specialists, keeping Beach Sand stocked isn't hard. The Crush route is less effort once you've assigned the right Pokemon to the job.

Sand found on beaches

Raw Material
MoveRock Smash / Bleak Beach
Rock Smash Crush specialty Bleak Beach
TyrantrumCrushPawmotCrushTyruntCrushPawmoCrushElectivireCrushLarvitarCrushPupitarCrushShieldonCrush
Beach Sand→GlassSmelting Furnace

Glass is used in 17 crafting recipes

There are 17 recipes that call for Glass, and 5 of those are Building items. Scroll through or filter by category to find what you're looking for.

17 recipes
Garden lightOutdoor
Iron Orex1›Glassx1
Automatic DoorsBuilding
Glassx1Iron Ingotx1›
CD PlayerMiscellaneous
Pokemetalx1›Glassx1Iron Ingotx1›
Cell PhoneMiscellaneous
Pokemetalx1›Glassx1
Crystal BallMiscellaneous
Glassx3Twinex1›
Cute DresserFurniture
Pokemetalx2›Lumberx1›Glassx1
Elevator PlatformUtility
Glassx8Concretex8›Tinkagearx2›
Gaming LightUtility
Pokemetalx1›Gold Ingotx1›Glassx1
Gaming PCMiscellaneous
Pokemetalx2›Glassx2
Glass WindowBuilding
Glassx2Lumberx2›
Modern DoorBuilding
Glassx1Iron Ingotx1›
Office ShelfFurniture
Pokemetalx2›Glassx2
Office TableFurniture
Pokemetalx2›Glassx2
Sash WindowBuilding
Pokemetalx1›Glassx1
Stylish Frying PanUtility
Pokemetalx1›Glassx1Iron Ingotx1›
Wall MirrorFurniture
Glassx1
Window PaneBuilding
Glassx2Iron Ingotx2›

You can craft Sandbox using Beach Sand. These 1 recipes are mostly Outdoor items that help fill out your island.

1 recipe
SandboxOutdoor
Beach Sandx1Lumberx1›