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Lake Guides · Township of Georgian Bay

Six Mile Lake Real Estate

Six Mile Lake lies in the Township of Georgian Bay, District of Muskoka, just east of Highway 400 (Chow-Fraser, 2024; Government of Ontario, 2021). A McMaster University study funded in part by the Township gives it a surface area of 1,475 hectares and a maximum depth of 48 metres, with a mean depth of only 7.8 metres (Chow-Fraser, 2024).

This guide covers what is for sale on the lake right now and what to check before you buy waterfront here: who controls the water level, which approvals a dock needs, and the shore road allowance. Kimberly lives in Orillia and owns waterfront herself.

See Six Mile Lake Listings Book a Call with Kimberly

Homes for sale on Six Mile Lake

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Listings in Georgian Bay Township where the MLS® System records Six Mile Lake as the water body, updated as listings change. A listing entered without a water body will not appear here, so search all waterfront in Georgian Bay Township as well. Registered clients also see sold prices and more listing details.

The lake and its shorelines

Six Mile Lake Provincial Park sits immediately east of Highway 400 on the north-west shore of the lake (Government of Ontario, 2021). The Township’s water quality report places Six Mile Lake in the central and eastern portions of the Township of Georgian Bay (Schiefer, 2025).

Parks Canada owns and operates several dams on Six Mile Lake, which regulate its water level while providing discharge to Gloucester Pool below (Parks Canada, n.d.); the Whites Portage Dam, at White’s Falls, is the main flood management dam (Parks Canada, 2024). The lake itself is not on Parks Canada’s 2007 list of waterbodies under its jurisdiction for in-water works (Parks Canada, 2007).

Which municipality a property sits in also matters day to day: it sets the zoning, issues building permits, and sets the municipal share of property tax. On Six Mile Lake that is the Township of Georgian Bay.

Six Mile Lake at a glance

  • In the Township of Georgian Bay, District of Muskoka, just east of Highway 400 (Chow-Fraser, 2024; Government of Ontario, 2021).
  • 1,475 ha surface area; 48 m maximum depth, 7.8 m mean depth (Chow-Fraser, 2024).
  • Water level regulated by Parks Canada dams, discharging to Gloucester Pool (Parks Canada, n.d.).
  • Six Mile Lake Provincial Park: 212 ha on the north-west shore (Government of Ontario, 2021; Ontario Parks, n.d.-a).
  • Township bacterial monitoring in 2025 found results indicative of excellent water quality (Schiefer, 2025).
  • Not on Parks Canada’s 2007 in-water works list (Parks Canada, 2007).

What to check before you buy on Six Mile Lake

Lake waterfront here comes with provincial, federal and township rules that an inland home rarely raises. These are the ones Kimberly works through with every Six Mile Lake buyer, early, before conditions run out.

Where the lot ends

In Ontario, the beds of most lakes and rivers are Crown land (Government of Ontario, 2026). Many lots in the Township of Georgian Bay also have a 20-metre (66-foot) shore road allowance between the lot and the water, owned by the Township unless an abutting owner has bought it (Township of Georgian Bay, n.d.-f); the Township’s current application form prices a purchase at $242 per linear metre plus HST, with administration fees, a legal and file deposit, and the buyer’s legal, survey and appraisal costs on top (Township of Georgian Bay, n.d.-b). Your lawyer, and a surveyor where needed, should confirm what the title includes before you firm up.

Docks, boathouses and shoreline work

A provincial work permit may be needed for a structure in physical contact with more than 15 square metres of shore lands that are Crown land or close to Crown land; a floating structure does not count as being in contact (Government of Ontario, 2026). The Township of Georgian Bay notes that approvals from the Ministry of Natural Resources and Forestry, the Trent-Severn Waterway and Fisheries and Oceans Canada may be needed for in-water or shoreline work before a permit application, and a building permit needs an approved zoning certificate (Township of Georgian Bay, n.d.-c).

Water level and dams

Parks Canada’s dams regulate the lake’s level and its outflow to Gloucester Pool (Parks Canada, n.d., 2024), and the Township points residents to Parks Canada’s water management team for levels (Township of Georgian Bay, n.d.-h). Ask the sellers how the dock and shoreline handle spring water and late-season levels.

Water quality

The Township’s 2025 monitoring found individual samples above its bacterial objective at 4 of 10 Six Mile Lake sample locations, with no seasonal average above it, and overall results indicative of excellent water quality (Schiefer, 2025). In 2023, a study for the Township found individual summer total phosphorus readings above the provincial objective at stations on Six Mile Lake and three nearby water bodies (Chow-Fraser, 2024). Ask about the water source and include water testing in your conditions.

Water-access property

The Township of Georgian Bay requires 911 signs visible at the end of the driveway or dock (Township of Georgian Bay, n.d.-a), and its large-item waste pick-up is available to residents with water access only (Township of Georgian Bay, n.d.-d). Confirm where you will park, launch and store a boat before you buy.

Septic and water systems

The Township of Georgian Bay requires a permit for the construction of any new or existing septic system, and its discretionary re-inspection program is aimed at waterfront properties reached by road or by water (Township of Georgian Bay, n.d.-g). Ask for permit and inspection records, and make inspection and water testing part of your conditions.

Kimberly is a REALTOR®, not a lawyer, surveyor or permitting authority. This checklist is a starting point for your own due diligence with those professionals and agencies.

On and around the lake

Six Mile Lake Provincial Park

The park has waterfront, electrical and non-electrical campsites, three sandy beaches including a pet beach, and one boat launch, open May 8 to October 13 in 2026 at 2024 Joe King’s Road (Ontario Parks, n.d.-a). Dock slips are limited and first come, first served for registered campers, and there are no lifeguards (Ontario Parks, n.d.-b).

Launch and parking

The Township of Georgian Bay lists the Six Mile Marina Boat Launch at 101 Vollicks Road, where vehicles may not be parked for more than 7 consecutive days (Township of Georgian Bay, n.d.-e).

Speed near shore

On Ontario waters, power-driven and electric boats are limited to 10 km/h within 30 metres of shore, with set exceptions (Government of Canada, n.d.).

Services nearby

Georgian Bay General Hospital is at 1112 St. Andrew’s Drive in Midland (Georgian Bay General Hospital, n.d.), Orillia Soldiers’ Memorial Hospital is at 170 Colborne Street West (Orillia Soldiers’ Memorial Hospital, n.d.), and South Muskoka Memorial Hospital is at 75 Ann Street in Bracebridge (Muskoka Algonquin Healthcare, n.d.).

Thinking about Six Mile Lake?

Kimberly helps buyers compare frontage, exposure, water depth, access and shoreline permits, and helps owners price Six Mile Lake waterfront using recent sales. She owns waterfront herself, so she knows the questions from both sides.

Book a Call with Kimberly What’s My Waterfront Worth? Text Kimberly

Based in Orillia · Serving Simcoe County, Georgian Bay & Muskoka · Georgian Bay community guide

Questions people ask about Six Mile Lake

Where is Six Mile Lake?

Six Mile Lake is in the Township of Georgian Bay, District of Muskoka, just east of Highway 400. Six Mile Lake Provincial Park sits on its north-west shore.

Who controls the water level on Six Mile Lake?

Parks Canada owns and operates several dams on the lake, which regulate its water level while discharging to Gloucester Pool. The Whites Portage Dam, at White’s Falls, is the main flood management dam.

Is Six Mile Lake part of the Trent-Severn Waterway?

Its level is managed by Parks Canada dams, but the lake is not on Parks Canada’s 2007 list of waterbodies under its jurisdiction for in-water and shoreline works. Ask Parks Canada and the province which approvals apply before any in-water work.

Do I need a permit to build a dock on Six Mile Lake?

Often. A provincial work permit may be needed for structures in physical contact with more than 15 square metres of shore lands that are Crown land or close to Crown land, and the Township of Georgian Bay may need other approvals and a zoning certificate before a building permit.

How big is Six Mile Lake?

A McMaster University study funded in part by the Township gives a surface area of 1,475 hectares, a maximum depth of 48 metres and a mean depth of 7.8 metres.

Related: Map of all lake guides · Gloucester Pool guide · Georgian Bay waterfront guide · Georgian Bay community guide · Market reports

Sources & References

Geographic, regulatory and amenity facts on this page come from the public sources below (APA style). Live listings come from the MLS® System through PropTx Innovations Inc. and are shown on the listings themselves.

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