Scuba Dive Maui and Lanai with Extended Horizons - Maui's Leading Green Dive Shop - Lahaina, Hawaii Extended Horizons operates Maui’s friendliest, most experienced, and caring scuba charter boat in Lahaina. Because our group sizes are small and our guides know more, see more, and will show you more we are consistently ranked as the top Diving charter in Lahaina. We are an eco-friendly tour, using 100% recycled biodiesel on our boat and hostin semi-annual community reef cleanups. Extendedhorizons.com~Site InfoWhoisTrace RouteRBL Check