Lighthouse activation

On Sunday I headed out to Fort Monroe and activated the Old Point Comfort Lighthouse with limited success. About 4 hours on the air and two contacts. The first contact was Colorado, a loud, booming 59. The next was Virginia Beach…. about 5 miles across the water. I need to come up with a better plan than my hamstick vertical. I’d like to do the next activation during Amateur Radio Military Appreciation Day coming up on Memorial Day weekend.

Anyone have any antenna ideas?