39 Types of Snakes in South Carolina

Snakes do show up in South Carolina, and the best first step is matching habitat, timing, and recent local conditions. Start with the state wildlife hub, compare likely cover and movement windows, use the animal facts page for field marks, and plan one realistic route before heading out.

T

By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 6, 2026.

8
species recorded
April, May, June
peak months

Verified species, source iNaturalist

39 types of snakes recorded in South Carolina

39 snake species have a verified observation record in South Carolina across snakes (suborder Serpentes), each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

  • Central Ratsnake (Pantherophis alleghaniensis), a species recorded in South Carolina1

    Central Ratsnake

    Pantherophis alleghaniensis

    1,478 records

    Katja Schulz CC BY

    Wikipedia
  • DeKay's Brownsnake (Storeria dekayi), a species recorded in South Carolina2

    DeKay's Brownsnake

    Storeria dekayi

    1,443 records

    Public domain CC0

    Wikipedia
  • Northern Cottonmouth (Agkistrodon piscivorus), a species recorded in South Carolina3

    Northern Cottonmouth

    Agkistrodon piscivorus

    1,418 records

    kirk gardner CC BY

    Wikipedia
  • Eastern Ratsnake (Pantherophis quadrivittatus), a species recorded in South Carolina4

    Eastern Ratsnake

    Pantherophis quadrivittatus

    1,390 records

    Riccardo Marchingiglio CC BY

    Wikipedia
  • North American Racer (Coluber constrictor), a species recorded in South Carolina5

    North American Racer

    Coluber constrictor

    1,375 recordsNative

    Peter Brastow CC BY

    Wikipedia
  • Eastern Copperhead (Agkistrodon contortrix), a species recorded in South Carolina6

    Eastern Copperhead

    Agkistrodon contortrix

    1,321 records

    Court Harding CC BY

    Wikipedia
  • Common Garter Snake (Thamnophis sirtalis), a species recorded in South Carolina7

    Common Garter Snake

    Thamnophis sirtalis

    1,134 recordsNative

    kclarksdnhmorg CC BY

    Wikipedia
  • Banded Watersnake (Nerodia fasciata), a species recorded in South Carolina8

    Banded Watersnake

    Nerodia fasciata

    1,119 recordsNative

    Andrew Durso CC BY

    Wikipedia
  • Common Watersnake (Nerodia sipedon), a species recorded in South Carolina9

    Common Watersnake

    Nerodia sipedon

    1,102 records

    Alie / C.A. Kratzer CC BY-SA

    Wikipedia
  • Plain-bellied Watersnake (Nerodia erythrogaster), a species recorded in South Carolina10

    Plain-bellied Watersnake

    Nerodia erythrogaster

    852 records

    Mila Turov CC BY

    Wikipedia
  • Rough Greensnake (Opheodrys aestivus), a species recorded in South Carolina11

    Rough Greensnake

    Opheodrys aestivus

    752 records

    Joseph McPhail CC BY

    Wikipedia
  • Brown Watersnake (Nerodia taxispilota), a species recorded in South Carolina12

    Brown Watersnake

    Nerodia taxispilota

    625 records

    Leila Dasher CC BY

    Wikipedia

Also recorded in South Carolina

#SpeciesRecords
13Red-bellied SnakeStoreria occipitomaculata598
14Eastern KingsnakeLampropeltis getula590
15Red CornsnakePantherophis guttatus524
16Ring-necked SnakeDiadophis punctatus517
17Timber RattlesnakeCrotalus horridus517
18Common WormsnakeNativeCarphophis amoenus500
19Common Ribbon SnakeThamnophis saurita340
20Eastern Hognose SnakeHeterodon platirhinos217
21ScarletsnakeCemophora coccinea164
22MudsnakeFarancia abacura126
23Rough EarthsnakeVirginia striatula111
24Smooth EarthsnakeVirginia valeriae98
25Scarlet KingsnakeLampropeltis elapsoides92
26Southeastern Crowned SnakeTantilla coronata90
27Common CoachwhipMasticophis flagellum61
28Eastern Diamondback RattlesnakeCrotalus adamanteus60
29Pygmy RattlesnakeSistrurus miliarius57
30Mole KingsnakeLampropeltis rhombomaculata56
31QueensnakeRegina septemvittata55
32Pine SnakePituophis melanoleucus34
33Rainbow SnakeFarancia erytrogramma30
34Eastern MilksnakeLampropeltis triangulum29
35Black SwampsnakeSeminatrix pygaea22
36Glossy SwampsnakeLiodytes rigida21
37Southern Hognose SnakeHeterodon simus13
38Pine Woods LittersnakeRhadinaea flavilata11
39Eastern CoralsnakeMicrurus fulvius10

Plus 2 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations. Photos by iNaturalist observers, reused under the licence each observer chose.

Real sighting data, source iNaturalist

39,617 verified observations on iNaturalist of snake have been recorded in South Carolina, most often in April, May, June.

When snake are recorded in South Carolina

Snakes do show up in South Carolina, and the best first step is matching habitat, timing, and recent local conditions. Start with the state wildlife hub, compare likely cover and movement windows, use the animal facts page for field marks, and plan one realistic route before heading out.

What types of snakes live in South Carolina?

The state hosts a mix of harmless and venomous species. Common non-venomous snakes include the black rat snake, eastern kingsnake, and rough green snake. Venomous species include the copperhead, timber rattlesnake, cottonmouth (water moccasin), and eastern diamondback rattlesnake. Each has distinct patterns and behaviors. For more detailed species accounts, check thesnake animal hub.

In South Carolina, snakes sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

Where are you most likely to see snakes in South Carolina?

Snakes turn up everywhere from coastal marshes to mountain forests. Best odds are near wetlands, river bottoms, and wooded edges. In the Lowcountry, look for cottonmouths around slow-moving water. In the Upstate, timber rattlesnakes favor rocky hillsides. Residential areas near green spaces also produce regular sightings, especially in the spring. SeeSouth Carolina wildlifefor regional tips.

When is the best time to see snakes in South Carolina?

Snakes are most active from March through October. They surface on warm, sunny days (70-85°F) and are often seen basking on roads or trails in the morning. Early spring and fall provide prime window for sightings as snakes move to and from hibernation sites. Summer heat pushes them toward dawn and dusk activity.

See ourstate animal guidefor the next step.

How do you identify a venomous snake vs a non-venomous snake?

Focus on head shape and pupil: venomous pit vipers (copperhead, rattlesnake, cottonmouth) have broad, triangular heads and elliptical pupils. Non-venomous snakes usually have narrow heads and round pupils. Also note the presence of a rattle (only rattlesnakes) and the dark band across the eye (in copperheads). Always keep a safe distance.

Which snakes are most often confused with each other?

Copperheads are frequently mistaken for juvenile black racers and corn snakes. The hourglass pattern on copperheads is distinct: dark bands narrow at the top and widen at the sides. Harmless water snakes (like the banded water snake) look nearly identical to cottonmouths. Check for a thick, heavy body and a dark line through the eye on cottonmouths. If unsure, treat it as venomous.

What should you do if you encounter a snake?

Stop and give it space. Most snakes will retreat if not cornered. Do not try to handle or kill it; bites usually happen during attempts to move or provoke. If you need identification, take a photo from a safe distance. Learn the venomous species in your region through local guides or theSnakes in South Carolina page.

Where can you find snake-themed apparel for your wildlife outings?

After a day of herping, you might want to wear your interest on your sleeve. Easy Street Markets offers several snake-themed t-shirts that make great conversation starters.

Rattlesnake Graphic T-Shirt

A bold design featuring a diamondback pattern. Perfect for showing off South Carolina's largest rattler.Check Price and Availability

Green Viper Snake T-Shirt

A vivid green snake graphic that stands out on the trail or at camp.Check Price and Availability

Retro Cute Snake T-Shirt

A playful, vintage-style snake ideal for casual wear or gift giving.Check Price and Availability

Browse more styles at thet-shirts category.

Are there rattlesnakes in South Carolina?

Yes. The timber rattlesnake and eastern diamondback rattlesnake are both present. Timber rattlesnakes live in the Upstate and Piedmont, often in rocky, forested areas. Diamondbacks are restricted to the coastal plain and sandhills. Both are rarely encountered but command respect. A rattle is a clear giveaway.

Do water moccasins (cottonmouths) live in South Carolina?

Yes, cottonmouths are common in the Lowcountry and along the coast. They inhabit swamps, marshes, and slow-moving streams. They are the only venomous water snake in the region. Look for a dark, thick body and a white mouth lining when threatened. Harmless water snakes often share the same habitat, so use caution.

See ourtour planning ideasfor the next step.

Gear and field guides

Frequently asked questions

What types of snakes live in South Carolina?+

The state hosts a mix of harmless and venomous species. Common non-venomous snakes include the black rat snake, eastern kingsnake, and rough green snake. Venomous species include the copperhead, timber rattlesnake, cottonmouth (water moccasin), and eastern diamondback rattlesnake. Each has distinct patterns and behaviors. For more detailed species accounts, check thesnake animal hub. In South Carolina, snakes sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

Where are you most likely to see snakes in South Carolina?+

Snakes turn up everywhere from coastal marshes to mountain forests. Best odds are near wetlands, river bottoms, and wooded edges. In the Lowcountry, look for cottonmouths around slow-moving water. In the Upstate, timber rattlesnakes favor rocky hillsides. Residential areas near green spaces also produce regular sightings, especially in the spring. SeeSouth Carolina wildlifefor regional tips.

When is the best time to see snakes in South Carolina?+

Snakes are most active from March through October. They surface on warm, sunny days (70-85°F) and are often seen basking on roads or trails in the morning. Early spring and fall provide prime window for sightings as snakes move to and from hibernation sites. Summer heat pushes them toward dawn and dusk activity. See ourstate animal guidefor the next step.

How do you identify a venomous snake vs a non-venomous snake?+

Focus on head shape and pupil: venomous pit vipers (copperhead, rattlesnake, cottonmouth) have broad, triangular heads and elliptical pupils. Non-venomous snakes usually have narrow heads and round pupils. Also note the presence of a rattle (only rattlesnakes) and the dark band across the eye (in copperheads). Always keep a safe distance.

Which snakes are most often confused with each other?+

Copperheads are frequently mistaken for juvenile black racers and corn snakes. The hourglass pattern on copperheads is distinct: dark bands narrow at the top and widen at the sides. Harmless water snakes (like the banded water snake) look nearly identical to cottonmouths. Check for a thick, heavy body and a dark line through the eye on cottonmouths. If unsure, treat it as venomous.

What should you do if you encounter a snake?+

Stop and give it space. Most snakes will retreat if not cornered. Do not try to handle or kill it; bites usually happen during attempts to move or provoke. If you need identification, take a photo from a safe distance. Learn the venomous species in your region through local guides or theSnakes in South Carolina page.

Where can you find snake-themed apparel for your wildlife outings?+

After a day of herping, you might want to wear your interest on your sleeve. Easy Street Markets offers several snake-themed t-shirts that make great conversation starters. ### Rattlesnake Graphic T-Shirt A bold design featuring a diamondback pattern. Perfect for showing off South Carolina's largest rattler.Check Price and Availability ### Green Viper Snake T-Shirt A vivid green snake graphic that stands out on the trail or at camp.Check Price and Availability ### Retro Cute Snake T-Shirt A playful, vintage-style snake ideal for casual wear or gift giving.Check Price and Availability Browse more styles at thet-shirts category.

Are there rattlesnakes in South Carolina?+

Yes. The timber rattlesnake and eastern diamondback rattlesnake are both present. Timber rattlesnakes live in the Upstate and Piedmont, often in rocky, forested areas. Diamondbacks are restricted to the coastal plain and sandhills. Both are rarely encountered but command respect. A rattle is a clear giveaway.

Do water moccasins (cottonmouths) live in South Carolina?+

Yes, cottonmouths are common in the Lowcountry and along the coast. They inhabit swamps, marshes, and slow-moving streams. They are the only venomous water snake in the region. Look for a dark, thick body and a white mouth lining when threatened. Harmless water snakes often share the same habitat, so use caution. See ourtour planning ideasfor the next step.