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Science: Astronomy: Amateur: Classifieds:
- Astronomy Mall - The sale of hobby related equipment and accessories listed for free..
- Astronomy Pinboard - Accessories, software, observatories, binoculars, telescopes, components, photo equipment, and miscellaneous items..
- Canada-wide Astronomy Buy and Sell - Contains new and used telescopes and accessories..
- Cloudy Nights Classifieds - Classified listings of used telescopes, accessories and observatories for sale..
- ScopeTrader - Reflectors, refractors, mounts, cameras, scope building, eyepieces, and observatories..
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