Use local directories like Google Maps or Yellow Pages to search for organisations that meet your criteria. Send the message below either by an email or their site Contact Form. Include a link to your public page so they see you are real and hoping for action.
In the subject if you can replace “your organisation” with the pasted name of the business you will capture greater attention.
Subject: A new place to promote your organisation .
Visit https://plasticfreeoceans.org/ and you will quickly see that Plastic Free Oceans is more than a new environmental initiative. It is a genuine opportunity for organisations. I was looking for an organisation like yours, but you are not listed the map.
Sign up, add video, images and/or text, publish your page and the world can see you on the map. Easy. I’ll keep a look out for it.