← All shops

Shamrock Donuts

Known for: Jefferson County doughnut shop known for gooey butter cake made fresh and fritters with fresh fruit every day.

1901 Richardson Rd
Arnold, MO 63010

(636) 223-2270

Monday: Closed; Tuesday: 5:00 – 11:00 AM; Wednesday: 5:00 – 11:00 AM; Thursday: 5:00 – 11:00 AM; Friday: 5:00 – 11:00 AM; Saturday: 6:00 – 11:00 AM; Sunday: 7:00 – 11:00 AM

Last checked 9/25/2026

Claim this listing

Visitor ratings

No approved visitor ratings yet. Be the first — Doughie reads them all.

Rate this shop

Your Doughies

Submissions are reviewed before publishing and may be edited or removed at the site owner's discretion. See our Terms of Use.