- Amity Seashells Australia - Offers West Australian specimen shells. Online catalog includes images of all specimens.
- Australian Seashells - Suppliers of world wide specimen seashells. Specializing in Western Australian species..
- Australian Shells - Offers specimen shells from Tasmania and South-East Australia. Online catalog includes images of specimens.
- Caledonia Shells - Seashells from New Caledonia for sale.
- Eaton's Seashells - Offers shells for collectors, shellcraft items, and Mother of Pearl.
- Femorale - Common and rare Brazilian shells for sale. Shell collecting tips, articles, and shell shows.
- Gauguini.com Shells - Offers a variety of diver-collected shells from around the world.
- Indo/Pacific Seashells - Suppliers of specimen shells from most families, including cowries, cones, volutes, murex, strombs, olives, mitres, bivalves and landsnails.
- Joylet's Shellcraft - Offers shells (specimen and common) and products made from shells, from the Philippines.
- Naples Sea Shell Company - Offers a variety of shells from around the world.
- Patagonian Shells - Offers information about and images of shells from primarily Argentina as well as specimen shells for sale. Statement about ethical collecting and links to other resources.
- Perlae - Offers a range of seashells for collectors. Mail order.
- Perth Shell Distributors - Conducting sea shell safaris all over Western Australia and selling rare Australian shells.
- Sandbox Souvenirs - Sea Shells and crafts made from shells including photo frames and jewelry.
- Sanibel Seashell Industries - Specializes in craft shells, sealife, sea glass, sanddollars, and starfish.
- Schooner Specimen Shells - Includes items for sale, trading information, and want lists. Also contains collecting information and links.
- Seashells and Sea Items - Offering an assortment of seashells.
- Shell Shop - Specialists in marine sea shells. Exhibits large selection of specimens including giant clams, corals, sea shell jewelry.
- Shellmonster - A collection for sale, in whole or in part. Viewing price list requires Microsoft Word or Excel.
- Shells Passion - Offers a wide variety of graded specimen shells. The catalog is organized by family and each specimen's entry includes taxonomic and collection information as well as images.
- Tahiti Shells - Pacific sea shells for sale.
- The Shell Man Inc. - A large selection of specimens from the ocean and beach. Includes some decor items.
- The Shell Store - Offering specimen shells, shell craft products, gifts, and books.
- Topseashells - Retailer of specimen seashells, includes descriptions and images.
