A quiet retreat on Kings Highway, minutes from the waterfront and all of Groton's stories. Rest well. We've made room for you.
Clarion Inn sits on Kings Highway in Groton, Connecticut — a city where the Thames River meets the sea and history runs as deep as the water. Whether you're visiting the Naval Submarine Base, exploring Mystic Seaport, or passing through toward the coast, we offer a comfortable, no-fuss base to rest your head.
Our rooms are clean, quiet, and designed with the traveling guest in mind. Complimentary breakfast each morning gets your day started. Free WiFi keeps you connected. And our location puts the best of Groton within a short drive.
Every room features the essentials done right — a comfortable bed, a quiet space to unwind, and everything you need to wake up refreshed.
A cozy retreat with a plush queen bed, work desk, and everything you need for a comfortable overnight stay.
Extra space for the whole party. Two comfortable beds, ample room to stretch out, and the same thoughtful touches throughout.
A step above with a separate sitting area, ideal for longer stays or guests who value extra room to relax and work.
Contact us for current rates and availability · All rates subject to change
We've thoughtfully included the amenities that matter most to travelers — because a good stay is about the details you appreciate, not the ones you notice.
Start every morning with a hot, hearty breakfast included.
Stay connected throughout your stay — in your room and common areas.
Ample complimentary parking right on-site. No hidden fees.
Each room features a flat-screen TV with cable channels.
We're here whenever you need us — early check-in or late arrival.
Quick access to Route 12 and Route 2, making arrivals simple.
Groton is a city built on water and history. From our door on Kings Highway, the best of the area is just a short drive away.
America's leading maritime museum — a short drive through scenic Connecticut.
Explore the legacy of the submarine force right here in Groton.
One of the largest casinos in North America — just minutes from our door.
Walk the waterfront, watch the ships, and enjoy the coastal atmosphere.
"We stopped in Groton for one night and wished we'd planned for more. The room was spotless, the breakfast was a lovely surprise, and the staff made us feel genuinely welcome."
A guest from the 2024 season
Traveled through Groton, CT
We welcome guests from all walks of life — military families, road trippers, weekend explorers, and everyone in between.
Whether you have a question about our rooms, need directions, or are ready to book your stay — we're just a call or message away.
156 Kings Hwy
Groton, CT 06340-3436
Open 24 hours, 7 days a week
We'll get back to you as soon as possible.
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