
Petoskey stones are fossilized pre-historic coral, remnants of a coral reef that existed when the area was a tropical sea. They are Michigan's official state stone, distinguished by their hexagonal geometric vein pattern. While they can be found in various places in Michigan, including gravel pits, roadbeds, and backyards, they are most commonly found on the shoreline of Lake Michigan. However, it is important to be aware of any regulations regarding the collection of Petoskey stones. In Sleeping Bear Dunes National Lakeshore, visitors are allowed to find and admire the stones but are requested to return them to the lake to preserve the natural environment. So, while you can take Petoskey stones from some places in Michigan, they must be left in Sleeping Bear Dunes National Lakeshore.
| Characteristics | Values | ||
|---|---|---|---|
| Can you take Petoskey stones from Sleeping Bear Dunes National Lakeshore? | No, it is illegal to take any natural thing from a National Park. Visitors are allowed to find and admire the stones but must return them to the lake. | ||
| Where can you find Petoskey stones? | Petoskey stones can be found anywhere in Northern Michigan, but stony Lake Michigan beaches are the best spots to look. They are also found in | Characteristics | Values |
| --- | --- | ||
| Can you take Petoskey stones from Sleeping Bear Dunes National Lakeshore? | No, it is illegal to take any natural thing from a National Park. Visitors are asked to return the stones to the lake to maintain the pristine nature of the environment. | ||
| Where to find Petoskey stones in Michigan | Stony Lake Michigan beaches, especially in the presence of other stones. They can also be found in gravel pits, roadbeds, backyards, and in the water. | ||
| Regulations | According to the Michigan DNR, you are only allowed to remove 25 lbs of stones per year. | ||
| Other places to find Petoskey stones | Mt. McSauba, Pt. Betsie Lighthouse, Magnus Park, Glen Haven in Sleeping Bear State Park, and several small roadside parks between Petoskey and Charlevoix. |
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What You'll Learn
- Petoskey stones can be found at Sleeping Bear State Park
- It is illegal to take Petoskey stones from Sleeping Bear Dunes National Lakeshore
- Petoskey stones can be found in the water at Sleeping Bear State Park
- Petoskey stones can be found on the shoreline at Sleeping Bear State Park
- Petoskey stones can be found at other locations in Michigan

Petoskey stones can be found at Sleeping Bear State Park
Petoskey stones can be found at Sleeping Bear Dunes National Lakeshore, but they must be left where they are found. The National Park Service invites visitors to find and admire the stones on its Lake Michigan beaches but asks that they be returned to the lake to maintain the pristine nature of the environment. This is because it is illegal to take any natural thing from a National Park, and the Lakeshore is federally owned land.
Petoskey stones can also be found at the public beach in Glen Haven in Sleeping Bear State Park. They can be found along the shore, but snorkelling about 10 to 15 feet from the shore yields better results.
Petoskey stones are fossilized pre-historic coral, specifically fossilized rugose coral, Hexagonaria percarinata. They are distinguishable by their unique exoskeleton structure, consisting of tightly packed, six-sided corallites, which are the skeletons of once-living coral polyps. The Charlevoix stone is similar in appearance but has a distinctive honeycomb-like appearance due to smaller, more closely packed coral colonies.
If you are looking to collect Petoskey stones, you can visit state-owned lands, where you may collect up to 25 pounds per visit. They can often be found on stony Lake Michigan beaches, and their hexagonal pattern is more noticeable in the water. Storms and high winds can churn up the lake and provide great stone deposits, but they can also clear the beach of stones.
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It is illegal to take Petoskey stones from Sleeping Bear Dunes National Lakeshore
Petoskey stones are fossilized prehistoric coral, remnants of a coral reef that existed when the area was a tropical sea. They are Michigan's official state stone, distinguished by their hexagonal geometric vein patterns. They are often found on the shoreline, though not exclusively, and are easiest to spot in the water.
Sleeping Bear Dunes National Lakeshore is a popular spot for rock hunting. However, it is illegal to take Petoskey stones from this location. The National Park Service invites visitors to find and admire Petoskey stones and other natural treasures on its Lake Michigan beaches, but asks that they be returned to the lake to maintain the pristine nature of the environment. This is because Sleeping Bear Dunes is a federally owned national park, and it is illegal to collect any natural items from a national park, including rocks, wildflowers, plants, and mosses. The only exception to this rule is the collection of morel mushrooms, which are permitted for personal, non-commercial use.
If you want to collect Petoskey stones, you can visit state-owned lands, where you may collect up to 25 pounds per visit. There are also municipal parks and beaches where stone collection is permitted, unless otherwise stipulated. Additionally, you can always collect stones on private property with the landowner's permission, and there are no limits on the amount collected on private land.
Some popular rock hunting destinations for Petoskey stones include Mt. McSauba, Pt. Betsie Lighthouse, and the public beach in Glen Haven in Sleeping Bear State Park, where snorkelling gear can be used to find the stones in the water. Storms and high winds can also churn up the lake, providing great stone deposits, but they can also clear the beach of stones.
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Petoskey stones can be found in the water at Sleeping Bear State Park
Petoskey stones are fossilized pre-historic coral, specifically fossilized rugose coral, Hexagonaria percarinata. They are distinguishable by their unique exoskeleton structure, consisting of tightly packed, six-sided corallites, which are the skeletons of once-living coral polyps. The centre of each polyp was the mouth and contained tentacles that reached out for food. The hexagon shape of each cell and thin lines radiating out from the dark "eye" in the centre are distinguishing features unique to this fossil.
Petoskey stones can be found anywhere in Northern Michigan, but stony Lake Michigan beaches seem to be the best spot to look. They are often found on the shoreline, though not exclusively. They can also be found in gravel pits, roadbeds, and backyards. However, they are easiest to see in the water, where their hexagonal pattern is more noticeable. Storms and high winds can churn up the lake and provide great stone deposits, but they can also clear the beach of stones.
If you're looking for Petoskey stones in Sleeping Bear State Park, it's important to be aware of any state or federal regulations regarding rock hunting. It is illegal to collect any rocks from within the boundaries of any national park or national lakeshore. However, you can collect stones on private property with the permission of the landowner, and there are usually no limits on the amount on private property. Other possibilities include state-owned land and property held in the public trust, and most municipal parks and beaches, unless otherwise stipulated.
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Petoskey stones can be found on the shoreline at Sleeping Bear State Park
Petoskey stones can be found anywhere in Northern Michigan, but stony Lake Michigan beaches are the best spots to look. The National Park Service invites visitors to find and admire Petoskey stones and other natural treasures on its Lake Michigan beaches, but asks that they be returned to the lake to maintain the pristine nature of the environment. It is illegal to collect any rocks from within the boundaries of any national park or national lakeshore. According to the Michigan DNR, you are only allowed to remove 25 lbs of stones per year. If any Petoskey Stone weighs over 25 lbs, the DNR has the right to confiscate it.
If you want to find Petoskey stones at Sleeping Bear State Park, try snorkelling about 10 to 15 feet from the shore at the public beach in Glen Haven. You can also find the stones along the shore, although there won't be as many. If you decide to snorkel for Petoskey stones, be aware that Lake Michigan can be pretty chilly in July and August, so you may need a full wetsuit.
If you're looking for other places to hunt for Petoskey stones, try Magnus Park, just south of Bayfront Park, or take 31 South, where there are several small roadside parks between Petoskey and Charlevoix that would be good places to look. Hunting for Petoskey stones can be a great family activity, and your finds may even be worth real money to jewellers and designers.
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Petoskey stones can be found at other locations in Michigan
Petoskey Stones can be found at various locations in Michigan, apart from Sleeping Bear Dunes National Lakeshore. These stones are fossilized pre-historic coral, specifically fossilized rugose coral, Hexagonaria Percarinata. They are distinguishable by their unique exoskeleton structure, consisting of tightly packed, six-sided corallites, which are the remnants of coral polyps. The hexagon shape of each cell and thin lines radiating from the dark "eye" in the centre are unique to this fossil.
When hunting for Petoskey Stones, it is important to be aware of any state or federal regulations. While you can find them at Sleeping Bear Dunes National Lakeshore, they must be returned to the lake to maintain the pristine nature of the environment. However, if you wish to collect Petoskey Stones, you may do so on state-owned lands, where you are allowed to collect up to 25 pounds per visit.
Some popular locations for finding Petoskey Stones in Michigan include the beaches along Lake Michigan, specifically the Petoskey breakwall and the areas along the bay in Harbor Springs and Petoskey. You can also try your luck at various beaches in Charlevoix or throughout northern Michigan, as it is not uncommon to find both Petoskey and Charlevoix stones in these areas.
Additionally, you can search for Petoskey Stones anywhere along Michigan's northwest coast between Traverse City and just north of Petoskey. Beaches, inland lakes, and rivers in this area are potential hotspots. Some specific spots to consider are Bayfront Park West, off the Little Traverse Wheelway behind McLaren Health, and Mt. McSauba.
When hunting for Petoskey Stones, look for stretches of beach that are somewhat rocky and uncrowded. Storms and high winds can churn up the lake, providing great stone deposits, but they can also clear the beach of stones. Keep in mind that Petoskey Stones are usually lighter than other stones and often work their way to the top of a pile of rocks. They also tend to be grouped together, so if you find one, there are likely more in the same cluster.
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Frequently asked questions
No, it is not permitted to take Petoskey stones or any other rocks from Sleeping Bear Dunes National Lakeshore. Visitors are encouraged to leave the stones for the next person to find and admire.
Petoskey stones can be found anywhere in Northern Michigan, but stony beaches along Lake Michigan are the best spots to look. They are often found on the shoreline, though they can also be found in gravel pits, roadbeds, and backyards.
Yes, there are rules and regulations regarding the collection of Petoskey stones. According to the Michigan DNR, you are only allowed to remove up to 25 lbs of stones per year from state-owned lands. The limit for USDA-administered National Forest and National Recreation lands is 10 lbs per year for non-commercial use.










































