Data updated: July 2026
Grant Mccartney ✓
@islandninja · Instagram · US · sports
About Grant Mccartney
@islandninja's followers & following
@islandninja currently has 131,734 followers on Instagram and follows 583 accounts, a follower-to-following ratio of 225.96. That places the account in the mid tier of sports creators.
@islandninja's content
@islandninja has published 1,927 posts to date, working across reels, long-form-video, live-streams, stories. The account's content is classified under sports, fitness, books. Bio: “🇺🇸 8x American Ninja Warrior 🥇 Guinness world record 📚 Best selling Children’s Author”
AI quality check on @islandninja
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@islandninja's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@islandninja's audience
Audience snapshot
60% male · 40% female
Core age group18-24
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit Grant Mccartney?
Frequently asked questions
How many Instagram followers does @islandninja have?
As of July 2026, @islandninja has 131,734 followers (132K) on Instagram, follows 583 accounts, and has published 1,927 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @islandninja?
Verified contact details for @islandninja — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @islandninja's contact info — free trial →
How much does @islandninja charge for a sponsored post?
@islandninja sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @islandninja's net worth?
@islandninja's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 132K followers and a standard price tier in sports, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @islandninja have fake followers?
Zaver's AI authenticity check scores @islandninja 95/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @islandninja?
@islandninja's 132K followers skew 60% male / 40% female, core age group 18-24. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @islandninja's report on Zaver.
Which influencers are similar to @islandninja?
Zaver lists comparable sports creators in United States in the "Influencers like @islandninja" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 42,421 vetted sports creators with plain-English queries.
