Secure slips, trusted repair services, and a welcoming marina community, all just minutes from Cook’s Bay.
At Keswick Marina, we provide more than just dock space, we offer peace of mind, dependable service, and a boating community that feels like home.
Located just five minutes up the Maskinonge River off Cook’s Bay, our marina is perfectly protected yet effortlessly connected to Lake Simcoe. Whether you’re here for the season or stopping in for the weekend, we make every moment on the water easy, secure, and enjoyable.
Trust our certified marine technicians with over 40 years of experience. Whether it’s routine service or major engine work, we’ve got you covered, on-site and on time.
Keep your boat protected through the off-season with our flexible, secure outdoor and covered storage.
With 109 covered slips ranging from 24’ to 40’, we provide flexible options:
Keswick Marina is proud to host seasonal events, group chats, and casual gatherings for local boaters.
Whether you’re looking to rent a slip, inquire about service, or just want to learn more about what makes our marina one of the most trusted on Lake Simcoe — we’re here to help. Connect with our team for expert guidance, quick support, or to plan your visit.
Mon – Sat: 9:00 AM – 6:30 PM
Sun: Closed
Secure Slips | Reliable Service | Local Expertise
📍 Keswick, ON – Proudly Serving Lake Simcoe Boaters
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