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Science Fiction & Fantasy








Clarkesworld Magazine is an online science fiction and fantasy magazine, three-time winner of the Hugo Award for Best Semiprozine (2010, 2011 & 2013), World Fantasy Award (2014) winner, and a finalist for Locus Award for Best Magazine every year since 2012. Fiction from Clarkesworld has won or been nominated for almost every major genre award for short fiction, including the Hugo, Nebula, and World Fantasy Awards. Each month, the online version of Clarkesworld is read by an average of forty two thousand science fiction and fantasy fans. Our podcast has an monthly audience of over thirteen thousand.

Advertising opportunities are open to the following genre-related organizations and businesses:

  • Publishers (books, magazines, comics, ebooks, etc.)
  • Conventions
  • TV and Movies
  • User Groups, Communities, Forums
  • Genre-related toys, replicas, and other products.

Website Ads

Placement: All pages, including homepage. Up to three placed in the right-hand column. Order is randomized by view.

Duration: Minimum one month, discounts available for longer runs

Dimensions: 300x250px (width x height)

Resolution: 72dpi

File Formats: .jpg, .gif, .png

Size Limit: 225kb

Due Date: Materials (image file & single URL) and payment must be received by the 15th of the prior month.

Cost: $250 (USD) per month, discounts available for three or more month blocks

Availability: Currently accepting ads for 2021.


Duration: One show

Specifications: 20 seconds, 192bps, stereo, MP3

Options: Have us record your ad from text for an additional $50

Due Date: Materials (.mp3 or text) and payment must be received by the 15th of the prior month.

Cost: $150 (USD) per episode, discounts available for blocks of three or more podcasts

Availability: Please contact us.

Payment & Delivery of Materials

Payment and materials must be received by the dates specified above. Please confirm availability for specific months prior to paying. Your PayPal payment and materials should be sent via email to If you don't have a PayPal account, they will allow you to pay us via credit card.


Refunds will only be issued if:

  • your ad is rejected by our staff
  • the issue/show your ad is scheduled to appear in is canceled

Why Would We Reject Your Ad?

Here are a few of the things that we don't want to see ads for:

  • "adult" products or services
  • scams or things that smell like scams
  • racism, sexism, etc.
  • ads promoting a religious or political agenda

While simple animation is permitted, anything distracting to the reading experience, like blinking, is not.


All advertising is subject to our final approval. Advertiser assumes all liability for their ad content and responsibility for any claims made against Clarkesworld resulting from their ad.


If you have further questions or would like to propose alternate forms of advertising, please feel free to contact Neil at

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