Rideau Realty Limited
- Located in the Rideau Lakes region. Specializes in listing and selling recreational and rural properties.
- http://www.rideaurealty.ca/

Cataraqui Meadows Farm and Happy Horse Stables
- Bed and breakfast or cottage accommodations near Big Rideau Lake. Stables offer day camps featuring riding lessons as well as boarding and training for horses.
- http://www.c-m-f.ca/

Portland Outdoors
- Information about a variety of outdoor events in the Portland area throughout the year, featuring speed skating and canoeing.
- http://www.portlandoutdoors.com/

Bayview Yacht Harbour Marina
- A full service marina located on Big Rideau Lake, part of the scenic Rideau Waterway.
- http://www.bayviewyachtharbour.com/

Fishermen's Digs Bed and Breakfast
- A two bedroom bed and breakfast located on beautiful Big Rideau Lake.
- http://www.rideau-info.com/digs/

Portland Bay Bed and Breakfast
- Offers accommodation in three comfortable bedrooms with ensuite bathrooms, two queens, one twin, central air plus ceiling fans in each room, hearty home cooked breakfasts and entirely pet and smoke free. A three bedroom B&B in a restored century hom
- http://home.istar.ca/~boattour/bb/index.html

Len's Cove Marina
- Full service marina.
- http://www.lenscove.com/

Fun-A-Float Boat Rentals
- Provides boats and houseboats on Big Rideau Lake, in Portland, Ontario.
- http://www.fun-a-float.com/