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Enjoy Brighter Days & Kozier Nights at Kozy Kampground.

Discover lakeside camping with direct lake access on Grand Lake St. Marys — peaceful, playful, unforgettable.

Welcome to one of the most loved lake-access campgrounds in Ohio, nestled right on the shore of Grand Lake St. Marys. Whether you’re arriving by road or water, your lake-life tradition starts here.

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Where you see the lighthouse and know you’re home.

Kozy Kampground is more than another spot on the map of Celina, Ohio campgrounds — it’s a destination. a true boating and lake-access campground built around community. Families return year after year for boating, fishing, fireside nights, and that quiet feeling you only get when the water is steps away.

With direct shoreline access and on-site boat slips, Kozy is a favorite for RVers and campers looking for easy boating access, fishing-friendly sites, and authentic lakeside living, not just a place to park.

You might even spot Freddy the Fox now and then, Kozy’s friendly mascot who drops by for special events and big weekends.

If you’re searching for a campground with lake access, boating amenities, and a real community atmosphere, this is the place.

We’ve got lots
of Ways to Stay!

Whether you’re planning a full-season lakeside escape near the water, or a weekend of RV camping with boating access, there’s a spot waiting for you.

  • Seasonal Sites

    Your long-term home beside the waves.

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  • Short-Term Stays

    Perfect for weekenders and lake explorers.

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Lakeside Amenities that keep families coming back.

We’ve got everything you’d expect from one of the best Celina Ohio campgrounds — and a few things you wouldn't.

  • Outdoor pool for all day fun

  • Playground for the kids

  • Illustration of a vintage suitcase with straps and handle.

    Boat slips directly on Grand Lake

  • Silhouette of a hamburger with lettuce, cheese, and sesame seed bun.

    On-site restaurant & camp store

  • Illustration of a calendar with a grid of dates and a horizontal bar representing a search or input field.

    Outdoor sports courts

  • Cartoon fox character wearing a life jacket and floating on a pool float, smiling and waving, with bubbles around it.

    Coming soon: splash pad & pickleball

SEE ALL AMENITIES ▸
Aerial view of a lakeside RV park with numerous RVs, trees, and water channels, overlooking a large lake or river with a shoreline and trees in the background.
A peaceful lakeside scene with a grassy lawn, a small pier extending into the water, and trees with green foliage in spring.
A peaceful river scene with wooden docks on the left, surrounded by trees with green leaves, and a boat cruising on the water under a clear blue sky.
Residential neighborhood with well-maintained homes, large green trees, and a narrow canal running between the houses on a sunny day.
Aerial view of a neighborhood with numerous houses, a canal with boats, and a park with large green trees, during daytime in spring.
Row of tiny houses with trees and a clear blue sky in the background
Aerial view of a marina with boats on the water, surrounded by residential area with many trees, near a body of water, on a clear day.
Aerial view of a campground with RVs, trailers, and tiny homes along a canal, surrounded by trees with fall foliage and open grassy areas.
A house with a covered porch facing a body of water, with several trees in the yard, some leafless, and a partial American flag on the right.
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Events & Community that keep you on the move.

Before you even reach the shoreline, you’ll see the lighthouse — and you’ll feel the energy. From summer weekends to holiday gatherings, Kozy is one of the most active campgrounds near Grand Lake St. Marys for family-friendly events.

Freddy the Fox appears at select activities throughout the season — just enough to make the kids smile.

People enjoying a boat parade near a crowded shoreline at an outdoor fair or amusement park.
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Explore Celina & St. Marys

Located between Celina and St. Marys, Kozy gives you the best of both lake towns. Fishing days, waterfront dining, boardwalk strolls, local festivals — it’s all part of the experience of Grand Lake Ohio camping.

Musical notes and a treble clef symbol with sparkles.
A marina with boats docked in the water, a row of colorful buildings, and a lively outdoor market or festival on a clear evening.
VIEW EVENT SCHEDULE ▸

Don’t delay.
Book your stay!

Whether you’re booking a weekend getaway or joining the community long-term, Kozy Kampground offers a lakeside experience unlike any other St Marys Ohio campground.

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You’ve got questions?We’ve got answers.

Don’t see the answer to your question? Send us a message — we’re happy to help answer any questions you may have.

Send Us a Message

  • Seasonal and short-term RV and camper sites.

  • Click “Book Now” at the top of the page to browse availability and secure your stay.

  • Yes! Kozy is a pet-friendly Celina, Ohio campground. Dogs must be leashed and supervised.

  •  Yes — most RV sites include electric, water, and sewer hookups.

  • A pool, playground, sand volleyball, basketball, 434 boat slips, restaurant, and a fully stocked camp store. Splash pad and pickleball coming soon.

  • Absolutely — Kozy offers one of the most accessible shorelines for boating, fishing, and lake activities.

  • Playground time, themed weekends, crafts, games — and occasionally, a visit from Freddy the Fox.

  • Off season hours: 9am-5pm, first Saturday of every month

  • The campground operates seasonally; access may vary by stay type.

  • Perfectly situated between both towns — close to restaurants, shops, festivals, and lake attractions.

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