Cartographer's Almanac
№ 02

The Second Settlement: Catan's Most Underrated Decision

The first settlement gets the attention. The second settlement decides the next ninety minutes.

TL;DR

Your first settlement is a pip-count decision. Your second settlement is everything else: resource diversification, port access, blocking opponents, and choosing which game you want to play. A weak second settlement on a strong first is more punishing than the reverse — because your first commits your strategy, and the second has to support it.

The two settlements solve different problems

Tournament players treat the two starting settlements as different decisions. The first is a pip-maximisation problem: find the highest expected resource yield available given the open corners. The second is a portfolio-completion problem: given what the first commits you to, what's the strongest second move?

This framing matters because the strongest first settlement is rarely paired with the strongest second. The best pip corner may be wheat-heavy; your second should not double down on wheat. The best three-hex intersection may have no port nearby; your second probably should.

Five lenses for the second settlement

1. Resource diversification

If your first settlement touches wood, brick, and wheat, your second should touch sheep and ore. The cost-of-everything in Catan is: roads need wood + brick, settlements need wood + brick + wheat + sheep, cities need wheat + ore, dev cards need sheep + wheat + ore. A starting position that produces only three resources locks you into trading for the other two — and you don't always get the trades.

The strongest two-settlement openings touch all five resources at least once. The next strongest touch four. Avoid three-resource openings unless your missing two are both accessible via 2:1 ports.

2. Port economics

A 2:1 port on your strongest-producing resource pays for itself in three trades. Most games last 50+ turns. If your first settlement gives you a 6 on wood, your second settlement on the wood 2:1 port turns surplus wood into anything else at half the maritime cost. Generic 3:1 ports are less valuable but still meaningful in resource-tight games.

Coastal-port second settlements weigh against the loss of one producing hex. Roughly: a 2:1 port for your highest-pip resource is worth ~3 pips of inland production. A generic 3:1 port is worth ~1 pip. Use that rule of thumb when comparing.

3. Blocking and lane control

A second settlement can be placed primarily to deny an opponent's expansion. This is rare but powerful: if Player B's only viable second settlement is the intersection you're about to claim, taking it forces them into a measurably worse spot. The principle: a settlement that's a 9-pip for you and an 11-pip for the opponent is worth more than its raw pip value, because of the differential.

Choke-point blocking works best when an opponent's expansion is already constrained by terrain (coast, desert, or another player's roads). Don't sacrifice 3+ pips of your own production for blocking; the calculus rarely works.

4. Longest Road commitment

If you're going to chase Longest Road, your second settlement should be three road segments away from your first along a clear expansion path. Most players make this decision on turn 3, by which point the best Longest Road geometry is already taken. Decide at placement.

The wood-brick-heavy two-settlement opening is the canonical Longest Road build: settle for high wood and brick on both ends, plan the chain at placement. Without this commitment at placement, Longest Road is usually wishful thinking.

5. Turn-order awareness

If you're picking last in the snake draft (i.e., picking 4th and then 5th in a 4-player game), your second settlement comes immediately. There's no information to wait for. If you're picking first, your second settlement happens after every other player has placed their second — you have full information. Use it. Look at what resources the other three players are weak in; settle to deny those resources rather than reinforce your own.

Three common mistakes

  • Mirroring the first settlement. Two wood/brick corners feels safe; it's actually fragile because both your settlements share the same risk profile and the same robber-target hexes.
  • Ignoring the road slot. The road that comes with the second settlement determines your expansion trajectory. Plan the road first, then anchor the settlement at one of its endpoints.
  • Chasing a single high-pip hex. A 12-pip second settlement on three hexes that overlap with your first settlement's three hexes is a 12-pip mirage — you're not adding new production, you're stacking it.

The framework, condensed

Before placing your second settlement, ask: (1) does this fill resource gaps from my first? (2) does this give me a port economy or a Longest Road lane? (3) does this materially deny an opponent? If two of three answer yes, settle. If only one does, look at the next-best corner.

Practice this with a generated board where you place both settlements deliberately. Use the Catan board generator to produce a balanced layout, mark your first settlement, then evaluate three candidate second settlements by the framework above. The differences are usually larger than you'd expect.

Further reading: Catan opening placements — the 7 patterns · turn-order strategy · how to read a Catan board

Filed under

strategy opening placement