2018 MIHF Summer Championship

The 2018 MIHF Summer Championship is the fourth Championship event hosted by the Mapperdonian Ice Hockey Federation (MIHF), being held in Detroit and Milwaukee, United Great Lakes. The tournament took place from July 24 to August 5, 2018.

Bids
On December 28, 2017, six bids for the tournament were announced. On January 7, 2018, the MIHF announced that the United Great Lakes had won the voting process for the tournament.

Venues
This is the first time that the United Great Lakes would host an MIHF tournament. On December 29, 2017, the Ice Hockey Federation of the United Great Lakes announced that they had selected the Little Caesars Arena in Detroit and the Fiserv Forum in Milwaukee to bid for the tournament.

The Little Caesars Arena in Detroit will host the final match.

Participants (20)
* = Automatic qualifier after a top 16 placement at the 2018 MIHF Winter Championship ^ = Qualified through winning a promotion at the MIHF Spring 2018 Qualification Rounds † = Qualified as host
 * United Great Lakes†
 * Western Republic*
 * Scotland-Ireland*
 * Arkmarken*
 * Karianka*
 * Biscasia*
 * Austranland*
 * Valkyria Confederation*
 * Wucheraria*
 * Danubian Federation*
 * Saraim*
 * Chicago Republic*
 * Kiehtova*
 * Welarka*
 * Great Inca*
 * Albadonia*
 * Estonian-Latvian Commonwealth*
 * Baltorus^
 * Slavic Confederation^
 * Fyorr^