There are many people who have found out the hard way that standard baby strollers don’t work very well on dirt or sand like at the beach. For this application larger and wider wheels are required to make it through any of this type of terrain.
Jogger strollers are made for this purpose and allow for easier access at beaches and parks. Fixed-wheel jogger strollers are necessary as a swivel wheel jogger won’t work unless the wheel can be locked in place.
There is a great selection of jogger strollers at http://www.joggerstrollersonline.com