March Madness 2025 Las Vegas. March madness is huge in vegas, with all the vegas march madness viewing parties, live betting, and general business of the event festivities itself. Book cabanas, poolside couches, & more.

March madness 2025 begins with first four games tuesday, march 18, in dayton, ohio, and ends with the final four on april 5 and 7 at the alamodome in san antonio. March madness is huge in vegas, with all the vegas march madness viewing parties, live betting, and general business of the event festivities itself.