We've been using them since before Covid and while they HAVE had some issues, not the least of which is a sale/change of management and poor planning by the City of Galveston that ripped up all the streets around them for months to upgrade the storm drainage system. They let me rollover paid parking for 9 cruises during Covid without making me pay a cancel/rebook penalty. Been very happy with them and the website gets better every time I visit. Actually got a promo code email this week for 10% off if you book in April (APRIL10). As far as being trapped, at least their building is ABOVE the flood line, so you car might be trapped high and dry and NOT submerged like it can be in the garages closer to the terminals.