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Vacation in Greater Grand Lake St Marys Region - Ohio

Jump to: Overview, Things To Do, Transportation, Climate, Accommodations, Cost

Area Overview

A fun, family vacation destination
Families have long enjoyed vacationing at beautiful Grand Lake St. Marys. Ohio’s largest inland lake has been a destination for boating, swimming, fishing and picnicking for many generations.

Appreciate The History
Constructed by man, without power equipment, Grand Lake St. Marys served as a feeder lake for the Miami-Erie Canal. At its completion in 1845, it was the largest man made lake in the world and is still the largest hand dug lake. Workers received 30 cents a day and a jigger of whiskey for their labors. In the early 1890’s the lake became the site of the first off-shore oil drilling platform. By 1915 there were more than 150 oil wells in the lake. Other past business ventures on the lake include ice harvesting and commercial fisheries. It was also the location of a large amusement park, dance halls and church camps.

Enjoy The Great Outdoors
Today Grand Lake St. Marys State Park consists of nearly 600 acres of prime lakeside parkland. You will find trails and walkways, great access to fishing, swimming beaches, picnic amenities, excellent bird watching opportunities, public boat launch areas and a large, well maintained state campground.

You’ll also find:

Year round fishing, with many tournaments held on the lake each year
Sport fishing species include bass, crappie, perch, bluegill, catfish & walleye
Two pair of nesting American bald eagles
Over 10 miles of local nature hiking & biking trails
Excellent goose and duck hunting
A state fish hatchery
Waterfowl refuge and wetlands nature observation decks
Handicap access fishing piers and boat docks
Kayaking clubs
Ice Fishing
Four bait & tackle shops around the lake
Great for Bird Watching—with a wide variety of waterfowl and migratory birds
When Visiting Grand Lake St. Marys, Don’t Miss:

The 3 lighthouses on the lake
The many lakeside festivals, concerts, races and other fun events
The great local cuisine and lakeside dining available at a number of local restaurants
Bring Your Boat, You’ll Find:

13,500 acres of water and 52 miles of shoreline
Four boater’s beaches
Unlimited horsepower
Boat rentals available
35 boat launch ramps—including seven free public launch sites
11 restaurants and bars with lake access offering a wide variety of food and beverage
Both Moose and Eagles Lodges with their own marinas and a large number of courtesy docks
Open skiing
Excellent sailing lake
Three full service marinas
Fun boating events such as the LIA Barstool Open and Boat Decorating Contest, the
Lake Festival Boat Poker Run and the Lake Festival Boat Parade
St. Marys Boat Club and their twice monthly sailboat races
Watching fireworks, hydroplane boat races and Lakeshore Park concerts are even more
enjoyable from the deck of your boat.
Stay For Awhile
From primitive campsites to lakeside, Jacuzzi hotel suites to homey cottages, you will find a wide variety of lodging options for your visit including two hotels with lake views, two hotels with docks available for guests, over 1,600 camp sites along the lake and many cottages and overnight facilities.

Includes Cities/Towns: Celina, Coldwater, Saint Henry, Saint Marys, Wapakoneta.

Things to Do

Recreation & Fitness

Come see all of our things to do:

Cultural Activities


Come see all of our things to do:


Unfortunately, there is no real public transportation at this time in the Greater Grand Lake
St. Marys Region. However, you can live comfortably by walking and riding a bike.


Monthly Temperatures / Rainfall

 Month  Low  Avg  High  Rain
 January  18.8  25.9  33.0  2.3 "
 February  21.8  29.8  37.8  2.2 "
 March  29.8  39.3  48.8  2.6 "
 April  40.6  51.2  61.8  3.5 "
 May  50.8  61.3  71.8  4.0 "
 June  60.8  70.8  80.8  4.0 "
 July  63.8  73.9  84.0  4.7 "
 August  62.0  72.0  82.0  3.5 "
 September  54.8  65.4  76.0  2.7 "
 October  43.8  53.9  64.0  2.7 "
 November  34.6  42.4  50.2  3.3 "
 December  23.8  30.4  37.0  2.7 "

Best Time To Go:

Summer and fall.

Spring temperatures are cool with averages in the low 50's and highs in the low 60's. Nights are cold with lows in the low 40's. Summer temperatures are mild with averages in the low 70's and highs in the low 80's. Nights are cool with lows in the low 60's. Fall temperatures are cool with averages in the low 50's and highs in the low 60's. Nights are cold with lows in the mid 40's. Winter temperatures are cold with averages in the upper 20's and highs in the mid 30's. Nights are cold with lows in the low 20's.



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Additional Information

Visitor Information

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