John's Boat Harbor

John's Boat Harbor Member only Marina on the Mississppi River Full service marina

08/31/2026

We will be doing maintenance dredging starting tomorrow, Tuesday September 1st. If you are needing to get out of the harbor, please call ahead of time so we can accommodate your plans. Thank you.

07/30/2026

With the recent drop of water levels, the mouth of the harbor is shallow. Please use caution! If you have any questions, please call the office.

07/04/2026

Have a Happy and Safe 4th of July! Please remember due to insurance: Absolutely no fireworks are to be shot off ANYWHERE on the premises.
Thank you! 🇺🇲

04/11/2026

FYI the water is on at John's Boat Harbor

12/24/2025

Wishing everyone a very Merry Christmas and a Happy New Year!
John's Boat Harbor will close today at noon. We will reopen on
January 5, 2026. Thank you for a great year.

11/26/2025

Happy Thanksgiving to you and your family
The office will reopen on Monday December 1st

11/26/2025

Happy Thanksgiving to you and your family and friends. The office will reopen on Monday 12/01/2025.

11/21/2025

Just an FYI. The water will be on until Monday November 24.

09/25/2025

If you left your debit card at John's Boat Harbor, contact the office 636-946-2073
We found one on the gas dock.

Address

2407 Highway C
St. Charles, MO
63301

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 10am - 5pm
Sunday 10am - 5pm

Telephone

(636) 946-2073

Website

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