TISIRI is a 501(c)(3) nonprofit organization focusing efforts in marine habitat creation, conservation, education, and awareness. Ongoing projects include building reefs, developing a visual inventory of Florida reefs, educational outreach, and identifying unexplained offshore wrecks. Please consider helping us further our positive impact by making a contribution below. In appreciation for your support, TISIRI will provide entries into the featured raffle and/or TISIRI gear corresponding to your contribution selection below.

Port Hole Raffle:

Enter for a chance to win this valuable port hole. See more details here

Entry options

TISIRI T-Shirt: (includes 2 raffle entries)

Comfortable short sleeve TISIRI T-Shirt offered in Small through 2X-Large sizes.

Shirt Sizes

TISIRI Premium Fitted Cap: (includes 3 raffle entries)

Wear the same hat the TISIRI Team sports when offshore. These hats/caps are premium fitted style and come in two fit-all size ranges.

Cap Sizes

TISIRI Membership Package: (includes 15 raffle entries)

Make it official and become a TISIRI member. As a TISIRI member you will receive the official TISIRI Team Gear including a fitted TISIRI cap and the official premium long sleeve TISIRI Team Shirt.