Best Marco Ocean Maps Apps

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

Out of 250+ marco ocean maps apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Marco Ocean Maps Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MARCO Ocean DataMARCO Ocean DataFree5.0★ (8)NoNoAug 2026
2i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (15K)NoYesSep 2026
3MarcoPolo OceanMarcoPolo OceanFree4.5★ (254)NoNoAug 2026
4Sea MapsSea MapsFree—NoYesAug 2026
5Sea Maps & AR: Boat GPSSea Maps & AR: Boat GPSFree—YesYesSep 2026
6DigitAll OceanDigitAll OceanFree—NoNoSep 2026
7AppStats: Revenue & WidgetsAppStats: Revenue & WidgetsFree—NoYesSep 2026
8OpenMaps - Topographic mapsOpenMaps - Topographic mapsFree3.9★ (16)YesYesSep 2026

Top Picks for Marco Ocean Maps

MARCO Ocean Data#1

MARCO Ocean Data by Monmouth University

5,000+ Maps of Ocean Resources
Editor's Choice
🔍 Reference
5.0(8 ratings)
Free
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Access and explore thousands of ocean resource maps with detailed layer information. Customize your map view, search for specific data, and save your favorite layers for quick access. This mobile version mirrors the functionality of a desktop GIS web application.

i-Boating: Marine Charts & Gps#2

i-Boating: Marine Charts & Gps by Bist LLC

Lake Depth Map,Sailing Plotter
Strong Contender
🗺️ Navigation
4.5😊(15K ratings)
FreeIn-App Purchases
#100in Navigation
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Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

What We Love

  • 🚀 Accurate GPS and navigation
  • 🗺️ Detailed nautical charts
  • 📊 Helpful fishing and structure information
  • 🔍 Useful for finding unexplored fishing spots
  • 💻 Offline functionality works well

Room to Improve

  • 🌐 GPS/location issues, inaccurate positioning
  • 💰 Expensive recurring subscription model
  • 🔁 Difficulty restoring purchased content on new devices
  • 🔧 Poor customer support and lack of response
  • 📦 Missing coverage for some lakes/waterways
MarcoPolo Ocean#3

MarcoPolo Ocean by MarcoPolo Learning, Inc.

Build your own submarine!
Worth Considering
📚 Education
4.5😊(254 ratings)
Free
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Explore and build underwater worlds with this "digital sandbox" for kids. Discover marine life, construct submarines, and learn about ocean ecosystems through interactive play. Encourages self-directed learning in science and technology.

What We Love

  • 👍 Fun and educational
  • 🌟 Beautiful graphics and animations
  • 🧠 Teaches kids about ocean life
  • 🕹️ Engaging interactive features
  • 🤗 Great for toddlers and young kids

Room to Improve

  • 🐛 Crashes and stability issues
  • 💾 Large file size
  • 🔇 Sound problems
  • 🤖 Lack of advanced features

More Marco Ocean Maps apps to explore

FAQ about Marco Ocean Maps

What are the best marco ocean maps apps for iPhone?
MARCO Ocean Data tops our marco ocean maps apps ranking as of September 2026, with a 5.0-star average from 8 App Store ratings, and it's free to download.
Yes — 20 of the top marco ocean maps apps we rank are free to download, including MARCO Ocean Data and i-Boating: Marine Charts & Gps.
MARCO Ocean Data has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ marco ocean maps apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
MARCO Ocean Maps is a mobile application that provides access to over 5,000 maps of ocean resources, serving as a mobile-friendly version of the Mid-Atlantic Ocean Data Portal’s Marine Planner GIS web app.
The app offers a wide range of ocean resource data, including layers related to marine ecosystems, human activities, and environmental conditions. Users can explore these layers by theme or search.