if this sounds like a ferry, the company insists that it is not. >> tideline is an on demand service takes passengers to any of several authorized landing points on the bay on a per fare basis starting at $35. >> call us with as much heads up as you possibly have. we do prefer a day's heads up. tell us the time you would like to go, how many people in the group, one way or round trip and we will get you to your place. >> tideline started a year ago with a six person boat but the service has been around for years. in fact, sf water taxi.com has been in operation for 15 years. >>> just ahead on abc 7 news at 4:00, the e-mail slur that warriors coowner is now having to clarify. what the nba is saying about it. >>> also, the battle in the crowded mayoral race and one thing the lesser known candidates have going for them. >>> the dangerous lava flow on hawaii's big island. it's just a matter of feet now until homes are gone. >>> the countdown is on. we are now about half an hour to game six of the world series between the giants and the royals. if you couldn't be in kansas city, many fans