- "Ports, Harbours and Moorings"
- AMERICAN PHOTOGRAPHER
- MAGNIFICENT SHIPS
- Baltimore
- Beautiful Light
- Canon EOS M Series Mirrorless Cameras
- Cars from the Past: Classic Cars
- Chesapeake Bay
- Chesapeake Bay Foundation
- Chincoteague and Assateague
- Classic Sailing's - Tall Ships and Traditional Vessels
- Coasts & Beaches
- Color and Colors - No computer-generated posts.
- Commercial fishing, trawlers, crab boats and more
- Contemporary Landscape
- darktable
- DELAWARE
- Doors & Windows Project
- Landscape/Seascape images of the World
- Maryland
- Maryland State Parks
- MORAN TUGS ONLY
- National Geographic Society
- Nature Heals the Soul
- Neotopografia / New Topographics - A Human Altered Landscape
- New Topographics
- North Point State Park Maryland
- Ocean City, Maryland
- PALAWAN'S BEAUTY
- PBWA - Photography By Wandering About
- People in the City
- Sea & Ocean ( invite your contacts )
- Ships of Sail
- Stuff on Water
- Sun | Sky | Cloud
- Tallships
- The Flickr Underground
- The Magic of Colour
- The Nature Conservancy
- TODO BARCOS - ALL SHIPS
- Tugboats
- Uncomplicated and Uncluttered
- Unique Shots of Classic Cars & Trucks
- Urban - Photography
- Urban Life
- Water... Oceans, Lakes, Rivers, Creeks
- Wetlands
- Whatever the weather
- Worcester County Maryland
- Workboats, Tugboats and Ships That Work
- Your mind, your photos