Documentation:

Linking to specific Commerce7 pages is easy. The following URL structures are used for each page with dynamic data.

Product List:  /collection/{slug}
Single Product: /product/{slug}

Clubs List:  /club
Single Club:  /club/{slug}

Reservations:  /reservations/availability

Profile: /profile

Cart:  /cart

Checkout:  /checkout

Replace {slug} above with the proper slug as specific in your Commerce7 admin panel.

You can use these link as Custom Links in the WordPress menu editor, or in your text links or button links on your site. Internal Linking is a great way to boost SEO, so be sure to link to your key collections and pages. Many people place their primary links in the footer of their site, whoich can be a good start.