Marina Amenities

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.



  • Concierge Level Dock Services

  • Floating Pool

  • 12 Person Floating Hot Tub

  • Private Bathroom Suites

  • Gated Spacious Concrete Walkways

  • Ship’s Store

  • General Store

  • Gift Shop

  • High Speed Diesel & Gas Pumps

  • Floating Breakwater

  • PWC Dockage

  • No Personal Property Tax in Illinois

  • Picnic Area

  • ARRR Bar

  • Mechanic Services

  • Laundromat

  • Oyster Bar Floating Restaurant and Bar

  • Floating Winery

  • Security Camera Protected

PWC Dockage 

  • Slip Holder: $400.00

  • Non-Slip Holder: $700.00


2019 Slip Rates

  • 28'L x 14W x 14H - $2,730

  • 34'L x 14W x 16H - $3,310

  • 36'L x 14W x 16H - $3,504

  • 40'L x 16W x 18H - $3,893

  • 44'L x 18W x 20H - $4,283

  • 48'L x 18W x 20H - $4,672

  • 54'L x 18W x 22H - $5,256

  • 60'L x 18W x 22H - $5,840

Slips offer

  • Slip Side Sanitary Pump-Out

  • Satellite TV

  • Water

  • High Speed Internet

  • Phone

  • Electric