Official
- LEGO.com — Official store and LEGO Insiders account
- LEGO Insiders — Points balance, rewards and rules
- LEGO Ideas — Fan-designed set proposals and voting
Communities and databases
- Brickset — Set database and collection tracking
- Rebrickable — Alternate builds from sets you own
- Eurobricks — Long-running LEGO fan forum
- r/lego — Reddit community
Marketplaces and prices
- BrickLink — Buy and sell parts and sets
- BrickOwl — Alternative marketplace
- BrickEconomy — Set price history
News
- The Brothers Brick — News, reviews and fan creations
- Brick Fanatics — News and reviews
- Brick Nerd — News and community highlights