About Piasa Harbor Marina
Piasa Harbor offers a state of the art marina with 118 boat slips on site and four-lane boat ramp. The slips range in size from 28 feet to 56 feet and include water services at each dock, each slip has its own electric meter, bathroom and shower facilities. All docks are ADA accessible. Piasa Harbor has a functional pump out facility for slip holders and transient boaters and can accommodate transient boaters with overnight docking. Piasa Harbor has a commercial grade boat lift capable of launching or pulling boats up to 55 feet. Arrangements need to be made in advance. Phillips 66, available in marina and creekside (Piasa Creek). Pay at the pump or prepay at general store, upper parking lot.
Facilities
Electricity
PetrolDiesel
Water
Showers
Sewage
Toilets
FoodCOORDINATES
38.93780 N, -90.29011 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
2 - 3m
Manoeuvrability
Good
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Fri
5AM - 9AM
06 February 2026
SW 8 knots increasing to NW 14 knots. Gusts up to 27 knots.
Increasing from 0 to 4°C
UV Index: 0 - Low
Mostly fine
Fri
9AM - 1PM
06 February 2026
- NW 11–13 knots. Gusts up to 26 knots.
- 5 to 8°C
- UV Index: 2 - Low
- Partly cloudy
Fri
1PM - 5PM
06 February 2026
- NW 11–13 knots. Gusts up to 23 knots.
- 3 to 9°C
- UV Index: 1 - Low
- Partly cloudy