About Heritage Harbor Marina
Heritage Harbor Marina, located at 421 Great Loop E Dr, Ottawa, IL 61350, United States. Just 90 minutes from Chicago a vibrant marina is ready and waiting to give you the boating experience you have been looking for. Positioned on the Illinois Waterway, the Heritage Harbor Marina offers 32 acres of nearly 8-foot deep harbor, boasts a harbor opening width of 200 feet and hosts 152 boat slips ranging between 35 and 60 feet. You’ll enjoy the single-load floating docks and private dock boxes for each slip.
Facilities
Electricity
PetrolDiesel
Water
Wifi
Showers
Sewage
Toilets
Recycling
Food
Pool
Boatbuilder
HauloutCOORDINATES
41.34071 N, -88.78522 E
Port Information
Telephone
Berth Sizes
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
Negligible
Active Winter
Yes
Weather Forecast
Tue
5AM - 9AM
19 May 2026
S 8 knots increasing to 11 knots. Gusts up to 22 knots.
19 to 22°C
UV Index: 0 - Low
Chance of showers
Tue
9AM - 1PM
19 May 2026
- S 10–16 knots veering W 10-16 knots. Gusts up to 25 knots.
- 20 to 24°C
- UV Index: 6 - High
- Cloudy
Tue
1PM - 5PM
19 May 2026
- NW 13 knots decreasing to 9 knots. Gusts up to 23 knots.
- 17 to 23°C
- UV Index: 0 - Low
- Cloudy