About Hamm's Holiday Harbor
Hamm's Holiday Harbor, located at 16106 N Holiday Harbor Ln, Chillicothe, IL 61523, United States. Within walking distance to a couple restaurants. Hamm’s Holiday Harbor marina has covered and open boat slips, storage inside and out, and marine towing with a 36 ton travel lift. Straight in between green and red markers. Fuel dock just inside harbor. The only deep harbour in the area. Watch out for the channel in. It is narrow and down to 5 feet.

Facilities
COORDINATES
40.89047 N, -89.49623 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
2 - 3m
Manoeuvrability
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Beware
Active Winter
Yes
Weather Forecast
Sat
5AM - 9AM
04 April 2026
- 8–13 knots.
- 11 to 14°C
- Cloudy
Sat
9AM - 1PM
04 April 2026
- SW 11 knots increasing to W 13 knots. Gusts up to 25 knots.
- 10 to 16°C
- UV Index: 4 - Moderate
- Chance of showers
Sat
1PM - 5PM
04 April 2026
- W 13–16 knots. Gusts up to 25 knots.
- 10 to 12°C
- UV Index: 4 - Moderate
- Cloudy