If you’ve put in enough games of Catan that you can predict what everyone at the table is thinking the moment the board is laid out, it might be time to add something new.
The base game is great — we’ve said that before and we mean it — but there comes a point where you’ve negotiated over ore and wheat enough times that the thrill starts to flatten. Expansions fix that. The problem is there are a lot of them, and not all of them are worth your money or the extra setup time.
Here’s where we landed after playing through the main ones. And if you’re shopping for a Catan fan, check out our Best Catan Gifts list too — expansions make excellent presents.
A few things worth knowing before you buy: most of these require the base Catan game to play. Some need a specific player count, so double-check before ordering. And as always, your group might love what ours finds frustrating.
Best Catan Expansions — Comparison Table
(Click the thumbnail to jump down to the entry)
| Image | Expansion | Players | Time | Price |
|---|---|---|---|---|
 | Seafarers | 3–4 | 90–120 min | $$$ |
 | Cities & Knights | 3–4 | 90–180 min | $$$ |
 | Traders & Barbarians | 2–4 | 60–120 min | $$$ |
 | Explorers & Pirates | 3–4 | 90–120 min | $$$ |
 | Settlers of America | 3–4 | 60–120 min | $$$ |
1. Seafarers
This is the one we recommend first, every time.
Seafarers adds islands, ships, and a gold resource. Instead of one fixed landmass, you’re playing on an archipelago — tiles separated by water that you have to build ship routes across to reach. The islands feel like prizes. Flipping unexplored tiles as you push into open water is something the base game just doesn’t have.
More map scenarios. Seafarers comes with a bunch of them — some with gold-producing hexes, some where you’re racing to settle new islands, some with a pirate that swaps in for the robber. Each one plays differently. You’re not just layering something on top of Catan. You’re actually playing a different configuration almost every time.
The downside is setup time. If someone at your table already groans when laying out the base game, Seafarers will test that. It’s worth it, but manage expectations.
This is the gateway expansion — the one that opens the door to the rest. Any group comfortable with base Catan can handle it, and the learning curve is low enough that it rarely derails the first session.
Comes with 3–4 player support. Grab the 5–6 player extension if your group runs bigger.
2. Cities & Knights
If Seafarers is where most groups start, Cities & Knights is where the serious Catan players end up.
This one adds a lot: a progress card system across three tracks (trade, politics, science), a barbarian horde that moves closer every round, and a knight system that gives you something to actually do with grain beyond feeding settlements. Cities become meaningful in a way the base game never quite manages. They’re not just settlement upgrades anymore — they’re part of a real strategy.
The barbarian mechanic is the best part. Every round they advance. When they reach Catan, whoever has the fewest knights loses a city. That shared threat forces the table to pay attention to something together while still competing against each other. We’ve had moments in Cities & Knights that base Catan hasn’t produced in years.
The cost is time and complexity. Add at least an hour to your estimate, and count on the first game moving slowly while everyone parses the commodity resources and progress cards. We’d say you want 4–5 solid Catan sessions behind you before bringing this one out.
But if your group takes Catan seriously and wants depth rather than just more map, this is the one.
3. Traders & Barbarians
This one gets overlooked more than it should.
Traders & Barbarians is actually five mini-expansions bundled together. You get a two-player variant, a caravans scenario, a barbarian attack mode, a traders element with goods moving across the board, and a fishermen variant that finally gives ocean hexes actual value. Play one, play a few stacked together, or save different combinations for different nights.
The fishermen variant specifically. It gives every water hex a purpose and creates a constant low-grade competition over which fishing spots you control. If your group has ever looked at an ocean tile and thought “what’s the point of this,” fishermen fixes that immediately.
The minor downside is that the flexibility means you spend a bit of time before each session figuring out which combination you’re actually playing. Not a dealbreaker, just worth knowing.
This is the smart third buy — especially for the two-player mode, which is genuinely good and rare in the Catan family.
4. Explorers & Pirates
Harder to recommend broadly, but for the right group it clicks.
Explorers & Pirates goes much further than Seafarers with the exploration angle. You’re on a mission-based campaign — harvesting spices, rescuing settlers, building out your fleet. The round structure is different from standard Catan. Your ships move as active pieces. Unknown tiles get revealed as you push out into open water, and that mystery is a constant feature rather than a one-time board-setup novelty.
The problem is that some of what makes Catan Catan gets diluted here. The negotiation, the tension of cutting someone off at a settlement spot, the specific social pressure of the trade table — it’s not gone, but it’s not the focus either. If you love Catan for those mechanics, this one can feel like a different game wearing a Catan costume.
That’s not necessarily a knock on it. Some groups want a bigger departure and find exactly that here. Just go in knowing what you’re getting.
5. Catan: Histories — Settlers of America
This one is standalone. You don’t need the base Catan game to play it.
Settlers of America drops the core mechanics into a 19th century expansion setting. You’re building railroads, sending trains west, and trading goods between your cities and your opponents’. The map is fixed — the continental US — which kills some of the board variability but grounds the game in a way some groups respond well to.
The train mechanic adds something different. Shipping goods between cities creates player interaction that’s more cooperative than standard Catan. You’re sometimes relying on opponents to accept deliveries. It’s an odd feeling at first, but it works.
Because it’s standalone it doesn’t stack with your other expansions, which is either fine or annoying depending on what you were hoping for. It runs 60–120 minutes and the fixed map means less variety game to game.
If you have someone in your group who has resisted Catan because of the island fantasy theme, the historical US setting sometimes gets them on board. Not always. But sometimes.
Honorable mention: Catan Universe (digital)
If you want to play Catan remotely or solo, the digital version is worth knowing about. It includes Seafarers and Cities & Knights, and the online multiplayer is stable enough that we’ve gotten in real games over video call.
The AI opponents are fine. They’ll make you think. They’re not a substitute for the actual chaos of playing against people you know, but if your gaming group has scattered to different cities, it gets the job done.
Conclusion
Start with Seafarers — it adds the most variety for the least added complexity, and any group comfortable with base Catan can pick it up in one session. If you want more depth after that, Cities & Knights is where the best long-term Catan experiences live. Traders & Barbarians is the smart third buy, especially for the two-player mode.
If you’re shopping for a Catan lover rather than buying for yourself, our Best Catan Gifts list has you covered. And if you’re still debating whether Catan is right for your group in the first place, read our full Catan review first.
Think we missed an expansion worth recommending? Tell us in the comments — and tell us why. That’s the part that actually helps other readers.
Thumbnail image artificially generated for illustrative purposes.
