Maryland coastal lagoon complex · Also known as: back-barrier lagoon, Isle of Wight Bay, Sinepuxent Bay, Assawoman Bay
The sheltered lagoon waters behind Ocean City: Isle of Wight, Sinepuxent, and Assawoman bays where crabs, oysters, and kayakers share skinny water.
Habitat guide for Ocean City & Assateague, Maryland · 49 Nature Guide species linked
| Habitat type | Coastal bays |
|---|---|
| Accessibility nearby | ★★★★★ |
| Related zones | Coastal bays, Salt marsh & flats, Inlet & channel |
| Seasons (this coast) | year-round, spring, summer, fall |
| Best for | Open-water birds, osprey, seagrass awareness, and bay ecology. |
| Species tags | Coastal bays |
| Access | Bridges, harbors, parks, boat ramps, and kayak launches around West OC and Assateague. |
| Parking | Harbor lots, Northside Park, Assateague approaches. |
| Fees | Free shoreline viewing; ramps / parks may charge. |
| Waterbodies | Isle of Wight, Sinepuxent, Assawoman bays |
| Connection to ocean | Primarily via Ocean City Inlet |
| Signature wildlife | Osprey, pelicans, terrapins, blue crabs |
| Best overlooks | Rt 50 / Rt 90 bridges, West OC harbor |
| Boating note | Shallow—watch prop scarring in seagrass |
| Pair with | Salt marsh, tidal flats, kayak trips |
Maryland’s Coastal Bays—Isle of Wight, Sinepuxent, Assawoman—are the lagoon complex behind Ocean City. Shallow, productive, and heavily used by boats, they are also nurseries for blue crabs, shellfish, and wading birds.
Water clarity and seagrass health are regional conservation priorities. Visitors can help by trimming wake in skinny water and supporting living-shoreline projects highlighted by the Maryland Coastal Bays Program.
Winter waterfowl keep the bays interesting when the beach is quieter.
Nature Guide profiles tagged for this habitat around Ocean City and Assateague, Maryland. Likelihood stars reflect how often visitors can reasonably expect the species—not a guarantee for any single outing.
| Group | Species linked | Share of checklist |
|---|---|---|
| Birds | 12 | |
| Mammals | 3 | |
| Reptiles & amphibians | 2 | |
| Crustaceans | 6 | |
| Mollusks | 9 | |
| Other marine invertebrates | 8 | |
| Insects & arachnids | 3 | |
| Coastal plants | 6 | |
| Total | 49 | |
Full directory: Birds around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Boat-tailed Grackle Quiscalus major | ★★★★★ | year-round |
| Double-crested Cormorant Nannopterum auritum | ★★★★★ | year-round, migration |
| Great Blue Heron Ardea herodias | ★★★★★ | year-round |
| Great Egret Ardea alba | ★★★★★ | spring, summer, fall |
| Laughing Gull Leucophaeus atricilla | ★★★★★ | spring, summer, fall |
| Osprey Pandion haliaetus | ★★★★★ | spring, summer, fall, breeding |
| Willet Tringa semipalmata | ★★★★★ | spring, summer, breeding, fall |
| American Oystercatcher Haematopus palliatus | ★★★★ ☆ | year-round, breeding |
| Brant Branta bernicla | ★★★★ ☆ | winter, fall, spring |
| Snowy Egret Egretta thula | ★★★★ ☆ | spring, summer, fall |
| Bald Eagle Haliaeetus leucocephalus | ★★★ ☆☆ | year-round, winter |
| Black Skimmer Rynchops niger | ★★★ ☆☆ | summer, breeding, fall |
Full directory: Mammals around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Common Bottlenose Dolphin Tursiops truncatus | ★★★★★ | spring, summer, fall |
| Muskrat Ondatra zibethicus | ★★★ ☆☆ | year-round |
| North American River Otter Lontra canadensis | ★★ ☆☆☆ | year-round |
Full directory: Reptiles & amphibians around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Northern Diamondback Terrapin Malaclemys terrapin terrapin | ★★★★ ☆ | spring, summer, fall |
| Northern Watersnake Nerodia sipedon | ★★★ ☆☆ | spring, summer, fall |
Full directory: Crustaceans around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Atlantic Marsh Fiddler Crab Minuca pugnax | ★★★★★ | spring, summer, fall |
| Blue Crab Callinectes sapidus | ★★★★★ | spring, summer, fall |
| Atlantic Horseshoe Crab Limulus polyphemus | ★★★★ ☆ | spring, summer, migration |
| Brown Shrimp Farfantepenaeus aztecus | ★★★ ☆☆ | spring, summer, fall |
| White Shrimp Litopenaeus setiferus | ★★★ ☆☆ | summer, fall |
| Mantis Shrimp Squilla empusa | ★★ ☆☆☆ | spring, summer, fall |
Full directory: Mollusks around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Eastern Oyster Crassostrea virginica | ★★★★★ | year-round |
| Hard Clam Mercenaria mercenaria | ★★★★★ | year-round |
| Blue Mussel Mytilus edulis | ★★★★ ☆ | year-round |
| Channeled Whelk Busycotypus canaliculatus | ★★★★ ☆ | year-round |
| Knobbed Whelk Busycon carica | ★★★★ ☆ | year-round |
| Northern Moon Snail Neverita duplicata | ★★★★ ☆ | year-round |
| Soft-shell Clam Mya arenaria | ★★★★ ☆ | year-round |
| Atlantic Razor Clam Ensis leei | ★★★ ☆☆ | year-round |
| Longfin Squid Doryteuthis pealeii | ★★★ ☆☆ | spring, summer, fall, migration |
Full directory: Other marine invertebrates around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Atlantic Sea Nettle Chrysaora chesapeakei | ★★★★★ | summer, fall |
| Moon Jelly Aurelia aurita | ★★★★★ | spring, summer, fall |
| Clam Worm Alitta succinea | ★★★★ ☆ | year-round |
| Sea Walnut Mnemiopsis leidyi | ★★★★ ☆ | spring, summer, fall |
| Atlantic Purple Sea Urchin Arbacia punctulata | ★★★ ☆☆ | year-round |
| Forbes' Sea Star Asterias forbesi | ★★★ ☆☆ | year-round |
| Orange-striped Anemone Diadumene lineata | ★★★ ☆☆ | year-round |
| Red Beard Sponge Clathria prolifera | ★★★ ☆☆ | year-round |
Full directory: Insects & arachnids around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Common Green Darner Anax junius | ★★★★★ | spring, summer, fall, migration |
| Eastern Saltmarsh Mosquito Aedes sollicitans | ★★★★★ | spring, summer, fall |
| Greenhead Fly Tabanus nigrovittatus | ★★★★ ☆ | summer |
Full directory: Coastal plants around Ocean City
| Species | Likelihood | Seasons |
|---|---|---|
| Sea Lettuce Ulva lactuca | ★★★★★ | spring, summer, fall |
| Smooth Cordgrass Sporobolus alterniflorus | ★★★★★ | year-round |
| Eelgrass Zostera marina | ★★★★ ☆ | spring, summer, fall |
| Glasswort Salicornia | ★★★★ ☆ | spring, summer, fall |
| Loblolly Pine Pinus taeda | ★★★★ ☆ | year-round |
| Marsh Elder Iva frutescens | ★★★★ ☆ | year-round |
Common questions for visitors exploring this habitat near Ocean City, Maryland.
Wildlife you may see nearby (copyright-free photos from Wikimedia Commons via our Nature Guide). The main page photo above stays separate.
Or drop several images onto this gallery
