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.
John's Boat Harbor
Member only Marina on the Mississppi River Full service marina
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.
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! 🇺🇲
FYI the water is on at John's Boat Harbor
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.
Happy Thanksgiving to you and your family
The office will reopen on Monday December 1st
Happy Thanksgiving to you and your family and friends. The office will reopen on Monday 12/01/2025.
Just an FYI. The water will be on until Monday November 24.
If you left your debit card at John's Boat Harbor, contact the office 636-946-2073
We found one on the gas dock.
Click here to claim your Sponsored Listing.
Location
Contact the business
Telephone
Website
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 |