Run a free full auditGray Line of Charleston is a sightseeing tour agency in Charleston, SC. Founded in the 1960s, the business operates daily from March through November, with tours departing between 9:30 a.m. and 3:00 p.m. The agency uses climate-controlled 25-passenger minibuses to navigate downtown Charleston’s narrow streets and cobblestone alleys. Tours depart from the Charleston Visitor Center Bus Shed at 375 Meeting Street.
The company offers historic city tours and combination land-and-water experiences. Partnerships with SpiritLine Cruises and Fort Sumter Tours allow for combo tickets. The Historic Charleston tour makes one stop at the Battery. The Historic Charleston + Restored Home tour includes a stop at the Joseph Manigault House. Tours are not hop-on, hop-off services. Private minibuses are available for special events. Door-to-door service is offered for groups at locations including Kiawah, Seabrook, Isle of Palms, and Folly Island.
Gray Line of Charleston holds a rating of 4.10 based on 149 reviews.
The business is located on Meeting Street, just steps from the Model of the Civil War Submarine, H.L. Hunley and within a tenth of a mile of The Charleston Museum.
BizScoreAI awarded the business a Content Quality score of 100 out of 100, which means the website answers customer questions clearly so AI assistants can quote it directly. The On-Page score of 90 out of 100 shows that page titles and headings are set up to match the searches customers actually make. BizScoreAI also noted that the business ranks number 2 of 5 Sightseeing tour agency businesses scored in Charleston.
BizScoreAI scanned the website graylineofcharleston.com on June 14, 2026. Gray Line of Charleston has a BizScore of 78 out of 100. The website audit behind the SEO score ran on October 26, 2026.
AI visibility scan by category: AI Discovery 25 of 25 points, Structured Data 11 of 25 points, Content Readiness 20 of 30 points, AI Trust Signals 16 of 20 points.
Website audit sub-scores (out of 100): On-Page 100, Technical 93, Performance 81, Content 78.
Strengths: 9 checks passed. llms.txt, AI Crawler Access, AI Content Blocking, Organization Schema, Rich Schema Types, Q&A Content, Meta Description, About/Team Page, XML Sitemap.
Areas to improve: 4 checks. FAQPage Schema (failed), Speakable Schema (warning), Weak Heading Structure (warning), Author Signals (warning).
Browse: Businesses in Charleston, SC · Businesses in SC
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