Sherry and Dave McCampbell from SV Soggy Paws, have created a large collection of satellite charts that they share with other cruisers. Their collection covers the Red Sea, Papua New Guinea, Solomon Islands, Philippines and Eastern Indonesia, Micronesia, Marshall Islands, Fiji, Tonga, Cook Islands, French Polynesia.
Sherry and Dave have been using satellite imagery for their close-in navigation charting with OpenCPN for at least 10 years. See the following report and link to their satellite charts page.