Sutton Lakehouse on Three Mile Lake in Muskoka

Escape to this peaceful lakefront retreat on beautiful Three Mile Lake — the perfect Muskoka getaway for families and couples. This well-loved, family-owned cottage offers four comfortable bedrooms, a fully equipped kitchen, spacious living areas, and everything you need to relax and reconnect with nature.

Step outside and enjoy stunning lake views from the deck, grill dinner on the BBQ, gather around the outdoor fire pit, or unwind on the private dock. Spend your days canoeing, paddle boarding, swimming, or ice fishing in the winter. Fast Starlink Wi-Fi ensures you can work or stream if needed while still enjoying a quiet, nature-filled escape.

There is plenty of parking available. Please note: the owner’s boat and Seadoo on the dock are not available for guest use.

Whether you’re looking to unplug, recharge, or make lasting family memories, this Three Mile Lake cottage offers a true Muskoka experience — peaceful, comfortable, and full of charm.

1. Three Mile Lake:
Our cottage sits directly on the beautiful shores of Three Mile Lake. While the lake is a wonderful spot to relax and take in the views, please note that blue-green algae blooms can occur in late summer, particularly after August 10th. This doesn’t happen every year, but when it does, swimming may not be possible.

Because water conditions are out of our control, we kindly recommend considering this if swimming is an important part of your stay—especially if booking later in August. We want you to have the best experience possible!

2. Watercrafts:
Please note the owner’s Seadoo and wake boat will be at the dock and are strictly off-limits. You`re welcome to bring your own Seadoo or small fishing boat, but space is limited for larger watercraft.

3. Water Depth:
Three Mile Lake is shallow at the shoreline—only 3.5 to 4 ft deep at the dock. The lake’s median depth is 11 ft, with a maximum of 36 ft. For safety, diving is strictly prohibited at all times.

4. NO A/C:
Please note: the cottage does not have A/C. It stays comfortable for most of the summer with a large ceiling fan in the living room and individual fans in each bedroom. On extremely hot days, it may feel warm indoors—if you`re sensitive to heat, we kindly suggest considering this before booking.

5. Drinking water:
The cottage has a drilled well and a UV filtration system—tap water is safe and drinkable.

6. Pets:
Pets are welcome—up to 2 per stay. Please reach out if you`re traveling with more, as exceptions may be possible. A pet fee applies per pet.
Please note: guests must clean up after pets, be responsible for any pet-related damage, and assume responsibility for pets to not enter the lake if a blue-green algae bloom occurs.

7. Power Outages:
Power outages can occasionally occur in Muskoka, and while they are out of our control, the cottage is equipped with a Generac backup generator. This system is designed to automatically restore power, but in rare cases, it may take time to start or may not engage. For this reason, we cannot guarantee uninterrupted power during an outage.
🏡 Welcome to Sutton Lakehouse!
We’re so happy to host you in beautiful Muskoka. To ensure a safe and enjoyable stay for everyone, we kindly ask that you review and follow our house rules and guidelines.
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🔑 Quick Essentials
• Check-In: 3:00 PM
• Check-Out: 11:00 AM
• Maximum Occupancy: 8 guests, including children
• No unregistered guests or visitors at any time
• Additional guests will result in immediate cancellation without refund
• $200 fee per night per unauthorized guest
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🚫 Respectful Use & Behavior
• No parties, events, or large gatherings
We’re a family-oriented cottage in a quiet community. This home is not suitable for party groups.
• No loud or excessive noise at any time
Quiet hours begin at 10:00 PM. Per Muskoka noise bylaws, police may issue fines of up to $5,000 for noise violations.
• No fireworks at any time, regardless of holiday or occasion
• No professional photography or videography without written permission
• Please supervise children at all times
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🛏️ Inside the Cottage
• No smoking, vaping, cannabis, or cigarettes inside
A $500 minimum fee will apply for any indoor smoking.
• No shoes indoors
Please help keep the cottage clean and comfy!
• Tidy up before departure
Leave furniture in its original position and clean up any messes.
• Follow the checkout instructions provided
Additional cleaning fees may apply if not followed.
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🐾 Pet Policy
• Pets are welcome – max 2
Contact us if you’re hoping to bring more — exceptions may be possible.
• Pet fee applies per pet
• Guests must:
o Clean up all pet waste
o Be responsible for any pet-related damage
o Keep pets away from the lake during blue-green algae blooms
o Ensure pets do not trespass on neighbouring properties
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🌊 Waterfront & Safety Notes
• The lake is shallow at the dock (approx. 3.5–4 ft). No diving at any time.
• Swimming is at your own risk.
• We cannot control the natural water conditions in Three Mile Lake. From time to time, the local health unit may issue advisories or swimming bans due to elevated bacteria levels, algae blooms, or other environmental concerns. These events are rare but possible and do not warrant refunds. We encourage guests to check with the Simcoe Muskoka District Health Unit for current advisories before swimming. Blue-green algae blooms may occur, especially after August 10. If present, the water may be unsafe for swimming — guests must use judgment and follow public health guidelines.
• Guests are responsible for supervising children and pets around the water at all times.
• No use of owner’s watercrafts (wake boat & Seadoo). You may bring your own small watercraft, but dock space is limited.
• No glass on the dock or beach — broken glass can be hazardous.
• We strongly recommend wearing water shoes when entering the lake as there could be small rocks or shells present.
• Rocks near the shoreline can be extremely slippery, especially when wet — proceed with caution at all times.
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🔥 Fire & Heating
• No outdoor fires unattended. Firepit may only be used when no fire bans are in effect.
• Use only local firewood as required by Muskoka bylaws (available nearby at Shell).
• Fireworks are prohibited at all time, including holidays.
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🧼 Towels, Linens & Cleanliness
• Indoor white towels are for indoor use only
Please bring your own beach towels for outdoor/lake use to help us keep our whites bright.
• Please strip used beds and leave bedding on each bed.
• Towels should be left in the bathroom or laundry baskets provided
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🚽 Septic System Guidelines
• We are on a septic system — please only flush toilet paper.
• Do not flush wipes, hygiene products, or anything else.
• Septic misuse can cause serious plumbing damage and result in guest liability.
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⚡ Power Outages & Generator Info
• Power outages may occur in Muskoka and are beyond our control.
• The cottage has a Generac backup generator designed to automatically restore power. However, in rare cases, it may take time to activate or may fail to engage — we cannot guarantee uninterrupted power.
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🐾 Wildlife & Nature
• Muskoka is home to wildlife including bears, deer, coyotes, wolves, snakes, spiders, and insects. Their presence is natural and not grounds for refunds.
• Use caution when outdoors, especially at night.

⚖️ Liability Disclaimer
By booking our rental property, guests acknowledge and accept the following terms:
1. Assumption of Risk
Use of the property and its amenities is at the guest’s own risk. Guests should assess their own abilities when using the lake, dock, firepit, and other features.
2. Liability Waiver
The property owners, hosts, Port Sydney Cottages Inc., and their insurers are not liable for personal injury, death, or property loss resulting from the use of the property, its amenities, or surrounding land.
3. Responsible Use of Amenities
Guests are responsible for the safe and proper use of all amenities, including but not limited to: the firepit, BBQ, dock, appliances, and heating systems. Children must be supervised at all times by a responsible adult.
4. Uneven Terrain
The property contains natural and potentially hazardous terrain, including rocks, steep areas, slippery surfaces, or icy conditions. Guests accept all risks associated with walking, running, or playing outdoors.
5. Waterfront Safety
The lake is shallow at the shoreline and dock (approx. 3.5–4 ft) and becomes deeper in other areas. No diving is permitted at any time. Guests are responsible for ensuring that children and pets are supervised near the water at all times. Life jackets are strongly recommended, you must bring your own.
6. Blue-Green Algae Monitoring
Guests acknowledge that blue-green algae blooms have occurred in the past, particularly after August 10. These blooms may make the water unsafe for swimming. It is the guest’s responsibility to monitor conditions and follow public health guidelines. No refunds will be issued for unswimmable water conditions due to algae or other natural factors.
7. Wildlife Acknowledgment
Muskoka is home to various wildlife including bears, deer, coyotes, wolves, snakes, and insects. Guests accept the risks associated with wildlife encounters and understand that such sightings are not grounds for refunds.
8. Power Outages
Power outages can occur in Muskoka and are beyond the host’s control. The cottage is equipped with a Generac backup generator. While it is designed to restore power automatically, in rare cases it may fail or take time to engage. The host makes no guarantees of uninterrupted power.
9. Damage and Theft