Greenport Flower Garden
- Offers flower arrangements and gifts for all occasions. With photographs.
- http://www.greenportflowergarden.com/

Town of Greenport
- Community resource including departmental information, a citizen forum and events calendar.
- http://www.townofgreenport.com/

I Love Greenport
- Photographs of the community's people, events, ships and landscapes. Includes a photo of the week.
- http://www.ilovegreenport.com/

Greenport.us
- Guide to local businesses, eateries, accommodations, and recreational activities.
- http://www.greenport.us/

Scrimshaw
- Waterside restaurant situated in historic wharf buildings. Includes menus, chef's profile, reviews and directions.
- http://www.scrimshawrestaurant.com/

Triangle Sea Sales
- Nautical shop, specializing in all types of marine and fishing items, decorative and practical ship antiques, old boat hardware, post cards, books, and paper products. Includes photographs, catalog request form and directions.
- http://www.triangleseasales.com/

Bob McInnis Photography
- Specializes in landscapes around Long Island. Offers a catalog, with prices and ordering details.
- http://www.bobmcinnis.com/

Town of Southold: Greenport
- Features a brief history of the town.
- http://southoldtown.northfork.net/greenport.htm

S.T. Preston & Son, Inc.
- Offers nautical themed gifts and merchandise. Store history, plus a catalog.
- http://www.prestons.com/

Trailblazer Investigations Inc.
- Specializes in locating people, background investigations, pre-marital checks, surveillance and insurance matters.
- http://www.trailblazerinvestigations.com

The Frisky Oyster
- Eclectic restaurant. Features dinner, dessert and wine menus, reviews, and photos.
- http://thefriskyoyster.com/

Goldin Furniture Company, Inc.
- Features brand name furniture, bedding, area rugs, carpet, vinyl and laminates, and window treatments. Includes a brief history of the classic Queen Anne building which houses the store.
- http://www.goldinfurniture.com/

Glory
- Electric-powered passenger boat, reproduction of an 1893 vessel, gives harbor tours of Greenport's Peconic Bay. Site includes charter and special event information.
- http://greenportlaunch.com/