Island Airlines - They fly from Nantucket to Hyannis, also are now flying from Plymouth and doing private charter service. Here is a link to Island Airlines schedule - http://www.islandair.net/pages/hya_to_nan.html

Cape Air - Flies from Hyannis to Nantucket, and from Boston as well as New Bedford.  To see Cape Air schedules and book flights see http://www.flycapeair.com/common/index.php?lng=CAPE&div=AA&nav=AA&page=A01

Tradwinds Aviation is a private charter service with flights all over the north east servicing Nantucket - http://www.tradewindaviation.com/

Jet Blue flies to Nantucket from all of its hubs across the united States - http://www.jetblue.com/

Hyline Nantucket - The Hyline ferry service offers many options to travel to and from Nantucket, including a 1 hour ferry servicing the island year round.  Here is their link - https://hylinecruises.com/

Steamship to Nantucket - The Steamship is the only car ferry service to and from Nantucket.  There are 2 hour and 1 hour passenger ferrys that service the island - here is the website for the Steamship Authority - http://www.steamshipauthority.com/ssa/

The Freedom Cruise Line travels to Nantucket from Harwich Port Ma in the summer season - check out their schedule http://www.nantucketislandferry.com/

There are many car rental services on Nantucket, most are local operations but there are a few National brands servicing the island.  Car rentals on Nantucket are expensive but if ferry reservations are sold out it is sometimes the best choice.

Affordable Rentals - http://www.affrentals.com/

Youngs Bicycle Shop (they cars too!)- http://www.youngsbicycleshop.com/

Island Rent a Car - http://www.nantucketislandrentacar.com/

Nantucket Windmill Auto Rental - http://www.nantucketautorental.com/

Island Buggies Auto Rental - antique cars with style! - http://www.islandbuggies.com/

Hertz Car Rental - http://www.hertz.com/

Most bike shops on Nantucket will deliver to your rental home so I would suggest you make advanced arrangements for your Nantucket Bike rental and have them waiting at your island rental home when you arrive.

Island Bike Rentals - http://www.islandbike.com/

Easyrider Bike Rentals - http://www.easyridersbikerentals.com/

Youngs Bicycle Rentals - http://www.youngsbicycleshop.com/

Nantucket Bike Shop - http://www.nantucketbikeshop.com/

Nantucket has a public transportation service now known as "the Wave" or NRTA (Nantucket Regional Transit Authority).  It services many island beaches and is in a constant loop around the island.  Here are some helpful links.  They also have an Iphone app with live information on shuttle locations.

Route maps - http://www.nrtawave.com/routes/index.php

Download the app for the Wave to your - Iphone, Blackberry or Droid device. http://wave.transloc.com/mobile.php

There are a handful of private car services on Nantucket that offer a wide varity of services.  Here are a few.

Cranberry Transportation Service - fleet consists of Ford 14 passenger vans, Mercedes Sedan, Mini van & SUV’s http://www.cranberrytransportation.com/index.html

Nantucket Island Tours, Inc. - 508 228-0334 (bus services)

Highland Drivers - www.highlanddrivers.com