An integrated open dataset that joins 2,928 published dive, kitesurf, surf and freedive spots to daily climate aggregates, OBIS + GBIF marine species occurrences (terrestrial-noise filtered), and the OpenFlights global direct-route airline graph. The structured-data layer behind openwateratlas.com, published under CC-BY 4.0 to be citable and reusable.v1.0.0 contains 8 CSV files (81 MB uncompressed): countries, spots, daily & monthly climate aggregates per spot, marine species observations, species-by-spot aggregation, IATA airports, and 34,876 OpenFlights direct routes. Full methodology, citation block and attribution chain in the README.