Roblox appears to have started its 2026 summer sale on June 11, 2026 , with some items listed as available through June 15, 2026. The most recent Roblox summer-sale-style item posts and videos point to that June 11 launch window and a mid-June end date.

What’s known

  • A Roblox summer-sale item page says the Summer Duck went live on June 11, 2026 and stayed available until June 15, 2026.
  • A related video also says the items were on sale until the 15th at 10:00 a.m..

Important note

Roblox does not seem to have a single official “summer sale” announcement page in the results I found, so this looks like a community-observed sale window rather than a formally branded annual event. That means the exact start can vary by item or promotion.

TL;DR

The best current answer is: Roblox’s 2026 summer sale began around June 11, 2026, and some sale items ended on June 15, 2026.