Basketball Tournaments in Delaware

Delaware high school basketball is run by the DIAA. State championships happen in early March at the Bob Carpenter Center in Newark.

2 tournament(s) in Delaware Updated regularly · submit a tournament

December 1 tournament

Beach Slam

Lewes, DE · December

HSRegional

Lewes, Delaware — built to fill the void after Slam Dunk to the Beach paused. Eight Delmarva teams across two brackets (Bay and Ocean) at Cape Henlopen High over two days, hosted by the Cape boys program. The 2025 field included three Maryland teams alongside five Delaware programs.

Tournament details →

March 1 tournament

DIAA Basketball State Championships

Newark, DE · March

HSState championship

The Delaware Interscholastic Athletic Association crowns boys, girls, and unified basketball champions each March. The 2025 boys final saw No. 6 Sanford School upset No. 1 Dover 37-34 — typical of a small-state bracket where seeding doesn't carry as much weight as program continuity.

Tournament details →

Neighboring states

Frequently asked

Who runs Delaware high school basketball?

The Delaware Interscholastic Athletic Association (DIAA).

National Prep Tournament · March 6–8, 2026

Looking for a March tournament?

National Prep Tournament in Fort Walton Beach, Florida takes both high school and post-grad programs. Applications stay open through October 31. If you want a competitive early-March slot without invitation-only barriers, this is the one to apply for.

Apply for the National Prep Tournament →