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.

Installations
COORDINATES
38.93780 N, -90.29011 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Good
Channel Marking
Fair
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Wed
5AM - 9AM
11 February 2026
- NW 4–6 knots.
- −1 to 2°C
- UV Index: 0 - Low
- Partly cloudy
Wed
9AM - 1PM
11 February 2026
- N 4–6 knots.
- Increasing from 1 to 7°C
- UV Index: 2 - Low
- Mostly fine
Wed
1PM - 5PM
11 February 2026
- NW 4–6 knots.
- 6 to 9°C
- UV Index: 2 - Low
- Sunny