About Grafton Harbor
Located on Mile Marker 0 of the Illinois River and Mile Marker 218 of the Mississippi River, Grafton Harbor’s quest is to make your boating experience the finest! Offering 154 covered slips and over 150 uncovered slips Grafton Harbor can accommodate boats of all sizes. The Personal Watercraft Ports give your jet skis fast accessibility to the water. The ports’ in-line rollers make launching easy and convenient. Grafton Harbor offers a host of resort amenities to suit your individual needs. Whether you stay with us for a day or a year, there are multitudes of activities and conveniences at Grafton Harbor, to make your stay comfortable. Located in the center of historic Grafton, the marina is in walking distance to many local restaurants, shopping, entertainment, bike/hiking trails and so much more. Transient reservations are taken on a first come first serve basis. Fill out the transient reservation form that you can download below. You can fax or email it to us at 618-786-2759 and GraftonHarbor@grafton-il.net to reserve your spot so you can enjoy Grafton Harbor, The Harbor of Hospitality. After Hours:Joe 618-660-6541 Monitoring Marine Radio Channels: 16 and 68

Facilities
Port Information
Telephone
Berth Sizes
Depth at MLW
Manoeuvrability
Channel Marking
VHF Channel
Port of Entry
Overseas Visitor Berths
Catamaran Berths
Dock Type
Style Side To
Tidal Flow
Active Winter
Weather Forecast
- SW 8 knots increasing to NW 14 knots. Gusts up to 28 knots.
- Increasing from 0 to 5°C
- UV Index: 0 - Low
- Mostly fine
- NW 11–14 knots. Gusts up to 27 knots.
- Increasing from 4 to 7°C
- UV Index: 2 - Low
- Partly cloudy
- NW 11–13 knots. Gusts up to 24 knots.
- 3 to 9°C
- UV Index: 1 - Low
- Partly cloudy